Geoff Ralston's guide walks first time founders through the full arc of a seed raise. It argues you should raise once you can show product market fit and rapid adoption, citing roughly 10 percent weekly growth as an impressive signal. On sizing the round, it offers a rule of thumb of about $15k per engineer per month to estimate runway, recommends targeting 12 to 18 months of operation, and warns founders against giving up more than 25 percent equity. It contrasts convertible notes, YC's own safe instrument, and priced equity rounds, explaining how caps and discounts work. It also lays out a 12 part pitch deck structure, from vision and problem through traction, business model, team, and the funding ask itself.

First time founders get a plain language explanation of instruments and terms they will otherwise have to learn under pressure mid negotiation, including how a safe converts, why caps and discounts exist, and how dilution actually gets calculated on a term sheet. The appendix distills years of YC partner experience into concrete rules, such as closing fast once an investor says yes and avoiding detailed financial projections that seed investors rarely trust anyway. The included pitch deck outline gives founders a proven default structure to adapt rather than invent from scratch. Because it was written by a former Y Combinator president drawing on thousands of accelerator companies, it carries practical weight beyond a generic fundraising primer aimed at a broad audience.