The public terms for this site and offer.

Using this site

Bigbrainos.com describes the BigBrainOS service and links to an external fit-call calendar. There's no checkout or client account on this site. Viewing it or booking a call doesn't create a client relationship.

You may use the site to evaluate the service. Please don't interfere with the site, attempt to access systems you haven't been given permission to use, or reproduce the site's brand, copy, and design without permission.

The founding offer

The current founding offer is a $3,000 one-time build. BigBrainOS accepts up to four owner builds per month. A 30-minute fit call checks the first piece of work and whether your tools can support it.

Availability depends on mutual fit and written confirmation. Claude, Cowork, Notion, and any other third-party plans remain separate from the $3,000 build fee.

The seven-working-day guarantee

Before the build starts, we agree on one real piece of your work. If BigBrainOS can't turn that piece into something useful within seven working days, I'll refund every dollar.

Third-party tools

Google Calendar handles fit-call booking. Claude, Cowork, Notion, and other approved tools may be part of a client build. Those services set their own prices, availability, privacy terms, and product limits. A connection is confirmed only after the relevant tool and permission scope have been checked.

The client agreement takes over

A build begins after the scope, timing, payment, access boundaries, and guarantee are confirmed separately in writing. That written agreement controls the client work if it differs from this public page. Site descriptions may be updated as the offer changes.

Read the privacy page for details about visits, booking, and email.

Questions

Email max@maxpbernstein.com with a question about these terms or the founding offer.