Charge for Explaining a Textbook or Course Concept

Charge for explaining a textbook or course concept by pricing it as a text-based paid question: the student writes exactly where they are stuck and pays upfront, and you reply once in writing in a private thread — no booked call, no scheduling, and no free back-and-forth in your DMs.

Paid Questions let a follower pay upfront to ask one private question, and you send one written reply on your own time — no live call or scheduling.

No monthly fee, you only pay a small platform fee when you get paid. 8% platform fee when a follower pays for work, 5% platform fee on tips and goals. Card processing is separate. pricing

"Can you explain this?" is one of the most common messages a tutor, TA, or subject-focused creator gets — a formula that isn't clicking, a term from a reading nobody can parse. It's real, useful help, and it's also easy to answer for free once and then find yourself answering for free forever. Pricing the explanation doesn't require a full tutoring package; it requires turning the request into a bounded, paid question.

What counts as "explaining a concept" versus full tutoring?

Explaining a concept means one self-contained question about a single idea a student is already stuck on; full tutoring means an ongoing relationship across a whole unit. That distinction decides the format: a bounded "explain why X" question fits a text-based paid question, while "teach me this unit" needs a larger, scheduled arrangement.

The medium follows the scope. Paid Questions let a follower send one typed question, and you send one written reply (how it works). That fits “explain the difference between mitosis and meiosis” or “why does this integral need u-substitution,” since the student can type or paste the relevant snippet as text; the same format also works for pricing a paid answer to a confusing coding error message, since a student can paste a stack trace as easily as a formula.

Use Custom Work for anything that needs a photo of handwritten work, a marked-up PDF, or another student attachment. Custom Work accepts up to five student files and lets you deliver one package with text, files, or links. Personalized Videos let a follower pay for a custom video that you record and deliver through Brillay.

How do you price a single concept explanation?

Price a single concept explanation as a flat fee for one bounded question rather than an hourly tutoring rate, because the student is buying one clear answer, not booked time. A transparent way to set that flat fee: estimate the minutes the reply takes, multiply by an hourly rate you would accept, then add margin for platform and card fees.

There is no published, verified benchmark for "price per textbook concept explained" — it does not exist as a tracked market rate, so every dollar figure below is a worked example of a formula, not a researched fact. The nearest public anchor is a wage statistic: the U.S. Bureau of Labor Statistics reports a median annual wage of $43,350 for tutors in May 2025, which works out to about $21 an hour across a 2,080-hour full-time year (BLS Occupational Outlook Handbook — Tutors).

The formula: gross price = (minutes you expect to spend ÷ 60) × your target hourly rate ÷ 0.85, rounded up to a clean number. The 0.85 divisor leaves room for Brillay's 8% platform fee on paid questions (tips and goals carry 5%) plus typical US online-card processing of about 2.9% + $0.30, which Stripe lists as its standard US online-card rate (Stripe pricing).

Every dollar figure in the table above is the formula applied to two example hourly rates, not a market rate anyone has measured: the $21 column uses the BLS median wage for tutors as a floor, and the $60 column shows what the same formula produces for a specialist who prices well above that floor. Run the arithmetic once on the fee side so nothing surprises you later: on a $20 question, Brillay's 8% fee on a Paid Question is $1.60 and typical US card processing of 2.9% + $0.30 is $0.88, leaving roughly $17.52 (pricing and Stripe pricing).

For Paid Questions, set a fixed price and a reply time you can meet, then describe the scope as one question and one written reply with no second round. Price the single complete answer, because a built-in second round is not part of the product.

How do you keep a "quick explanation" from turning into free tutoring?

Keep a quick explanation from becoming free tutoring by writing the scope into the offer itself: one question, one concept, one reply. State that limit before the student pays, answer only the concept in scope, and tell anyone who sends three separate questions that each additional concept needs its own purchase.

A single boundary line in the offer description does most of the work: "One question, one concept, one reply." Without a stated scope, "explain this concept" tends to drift into "also explain the next three things I don't understand," which quietly erodes the price you set.

Plan each Paid Questions reply to answer the stated concept completely in one response. Tell students before they pay that one purchase covers one question and one written answer, while a separate concept needs a separate purchase.

Why does a quick paid explanation actually help a stuck student?

A short paid explanation helps a stuck student because active retrieval beats re-reading the same page twice: Roediger and Karpicke at Washington University in St. Louis found students tested on a passage recalled 61% of it a week later, versus 40% for students who only re-read it (source.washu.edu).

The gap is not explained by exposure. In the same Washington University study, the re-study group read the passage about 14 times and still recalled less than the tested group, which read it only 3.4 times in a single study session (source.washu.edu).

"Our study indicates that testing can be used as a powerful means for improving learning, not just assessing it. Students who self-test frequently while studying on their own may be able to learn more, in much less time, than they might by simply studying the material over and over again." — Henry L. Roediger III, James S. McDonnell Distinguished University Professor, Washington University in St. Louis (source.washu.edu)

That research is about self-testing, not paid tutoring, so a single explanation should never be sold as a substitute for a student's own practice. It does support a real product decision, though: a focused, text-based answer to "why is this true" can do more for a stuck student than another pass through a chapter that already didn't land.

Is there real demand for this kind of quick academic help?

Yes — demand for quick academic help is well documented. The National Center for Education Statistics reported that 87% of US public schools provided some type of tutoring during the 2023–24 school year, and 13% offered on-demand tutoring specifically (NCES Fast Facts: Back-to-school statistics). That on-demand share is the closest public proxy for one-off explanation requests.

Two further figures set the size of the underlying need. The National Center for Education Statistics School Pulse Panel reported that 31% of public school students were behind grade level at the end of the 2024–25 school year (NCES School Pulse Panel results). And 46% of US public schools provided high-dosage tutoring during 2023–24, compared with 24% providing self-paced tutoring (NCES Fast Facts: Back-to-school statistics).

Both figures describe school-provided tutoring, not creator-based paid Q&A, so treat them as context for the need rather than as a demand measurement for a Brillay-style offer.

What is the free-AI alternative your paid answer competes with?

Your paid concept explanation competes directly with free chatbots, and the substitution is already mainstream: Pew Research Center found that 54% of US teens ages 13 to 17 say they have used AI chatbots for help with schoolwork, second only to the 57% who use them to search for information (Pew Research Center, "How Teens Use and View AI," February 24, 2026).

Free and instant is therefore the baseline, which means speed alone is not what a student pays you for. What a chatbot cannot supply is a named person who knows the specific course, the specific professor's notation, and the specific way this cohort gets the concept wrong.

"More than half of teens say they have used chatbots to search for information (57%) or get help with schoolwork (54%). And 47% say they've done so for fun or entertainment." — Pew Research Center, "How Teens Use and View AI," February 24, 2026 (pewresearch.org)

Pew also reported that only 3% of teens say chatbots were of little to no help with schoolwork (Pew Research Center). Price accordingly: a generic definition is worth little, while a course-specific correction of a misunderstanding a chatbot did not catch is worth a real fee.

Where does this fit next to a missed-test-question or research-methods offer?

A general concept explainer sits between two narrower Brillay offers: charging for a missed test question, anchored to one graded exam item, and charging for a quick research-methods question, which covers sampling, a statistical test, or a citation format. Choose the concept explainer when the ask is simply "I don't understand this idea."

Charging for explaining a missed test question is the right frame when a student got one item wrong and wants to know why, because the anchor is a specific exam question rather than a general concept.

Charging for a quick research-methods question is the right frame for a narrow methodology ask. A subject-agnostic "explain this concept" offer, by contrast, is tied to neither a missed test item nor a methods question; it is for the standalone "I don't get this" message that shows up in almost any subject. If your audience mostly asks about one of those narrower situations, name your offer that way instead — and if the recurring ask is "how do I even study for this" rather than a specific concept, charging for study-habit and time-management advice is the closer fit.

How fast should you reply to a concept question?

Set a reply window you can hit during exam weeks rather than promising instant answers, because a student asking "can you explain this" is usually mid-assignment. You set the reply window for a Paid Question.

Two benchmarks make that trade-off concrete rather than vague. Only 13% of US public schools offered on-demand tutoring during the 2023–24 school year, so genuinely fast human help is scarce inside school systems (NCES Fast Facts: Back-to-school statistics). But 54% of US teens have already used an AI chatbot for schoolwork help, which answers in seconds (Pew Research Center) — so you will not win on raw speed, and a promise you miss costs more than a slower promise you keep.

For a deeper breakdown of how to choose that window, see how fast creators should reply to Paid Questions. The short version: choose a reply time you can reliably meet during exam week instead of promising a same-day answer when several courses have midterms at once.

What else can a subject-focused creator sell alongside this?

Alongside a concept explainer, a subject-focused creator can sell Custom Work for larger work that needs file attachments, and Tips for students who just want to say thanks. A concept explainer works as the entry-level offer, and the bigger asks route to a service instead of stretching one question past its scope.

Custom Work lets you sell one defined deliverable, such as a practice-test review or study plan, at a fixed price and delivery time you set. Students can attach up to five files, and you deliver the completed work once, within the time you promised.

Tips are a one-time thank-you from a student who got value from your free content, with nothing to deliver in return.

If you tutor a specific test or subject full-time, the academic tutors page covers the broader setup beyond this single offer. Worth knowing before you build a full-time plan around it: the U.S. Bureau of Labor Statistics projects employment of tutors to show little or no change from 2025 to 2035 (BLS Occupational Outlook Handbook — Tutors).

Frequently asked questions

Common questions about charging for a textbook or course concept explanation on Brillay cover four things: what a student can send with the question, how the offer differs from a missed-test-question offer, what the platform and card fees actually cost, and what a single explanation should be priced at. Short answers follow.

Can a student attach a photo of the textbook page to a Paid Question?

No. If a request needs a photo, screenshot, or document, use Custom Work, which accepts follower-uploaded files and supports text, file, link, audio, and video delivery.

How is this different from charging for a missed test question?

A missed-test-question offer is anchored to one specific exam item the student got wrong; a general concept explainer covers any textbook or course idea a student is stuck on, whether or not it was ever tested. See charging for explaining a missed test question if your students mostly ask about graded exam items specifically.

Do I need to set a revision count for this offer?

No. Set a fixed price and a reply time you can meet, then make the scope clear before the student pays. Write each reply to fully answer the one stated concept instead of assuming a back-and-forth is built into the purchase.

What does Brillay charge for this?

Two separate charges apply here: Brillay's platform fee on the price you set, and Stripe's card processing, billed separately from that fee. Stripe lists about 2.9% + $0.30 as its standard US online-card rate, and that figure is not universal, since international cards, currency conversion, and other payment methods are priced differently.

What should I charge for one concept explanation?

There is no measured market rate for a single explained concept, so use a formula instead of a guess: minutes ÷ 60 × your target hourly rate ÷ 0.85. As a floor reference, the U.S. Bureau of Labor Statistics reports a median annual wage of $43,350 for tutors in May 2025, about $21 an hour full-time (BLS Occupational Outlook Handbook — Tutors). Applied to a 20-minute reply, the formula produces roughly $10 at that anchor and about $24 at a $60/hour specialist rate.

Should I only offer text answers, or can I use voice?

A Paid Question reply is written text only, so plan the explanation to work on the page: use a short numbered list or a worked example for a multi-step process, and a tight paragraph for a definition or a two-concept comparison.

Create your free Brillay page