Briefbox
A sourced one-page brief. Overnight. $29.
One-time · not a subscription
You send a messy question. You get a decision-ready page within 24 hours: a yes / no / yes-if at the top, the few facts that actually move the call, each number dated and linked, and a short “do this next.”
This is not a chatbot dump, a 40-page PDF, coaching, or legal, tax, or investment advice. It is one page, written so you can forward it.
What you get
- One sourced brief, written to print as a single page
- A recommendation in the first three lines
- 4–6 tight sections of reasoning
- Numbers with sources, dates, and URLs. Unsourced claims are cut.
- A short next step plus a source list you can check
How it works
Pay $29. Reply to the receipt with your question, constraints, what you already know, and any links. The 24-hour clock starts when that intake is complete. Delivery is by email.
Sample
Should a US solo consultant take a 15% rate cut for a six-month remote contract? Yes if the next 8–12 weeks would otherwise sit empty. Otherwise no. Do not cut the list rate. Treat 15% as a named credit that dies on day 181.
Read the full sample brief (sourced, one page, 28 Aug 2026).
Price and refunds
$29 USD, one time, per brief. If we miss the 24-hour clock, you get a full refund. One free rewrite if a cited fact is wrong or a source link is dead. No refund because you disliked the recommendation.
Contact
Briefbox is operated by M Grinblat, sole proprietor.
Email: markgrinblat@gmail.com
Refund policy
Full refund if the brief is not delivered within 24 hours of a complete paid intake. If intake is incomplete, the clock starts when the missing pieces arrive. If they never arrive within 7 days, we refund and close. No refund after on-time delivery because you disagree with the recommendation.
Terms
By paying, you buy one custom overnight brief for personal or internal business use. You may forward it. You may not resell it as your own product. We may refuse and refund questions that are illegal, that ask us to obtain non-public access or to write schoolwork, or that need a licensed professional we are not. Briefs are informational. They are not legal, tax, medical, or investment advice.
Privacy
We use your email to take payment, collect your question, and deliver the brief. We do not sell your question or your email. We do not publish client questions. Payment card data is handled by Stripe, not stored on this site.