Code (up to 400k sats): Writing tutorials for Python / Javascript devs. Extra sats if there's a demo that runs on Replit that makers can easily fork.
Design (up to 150k sats): Writers about making visually stunning Nostr Marketplaces and the UX considerations you'd have to make
Ideas (up to 150k sats): Explain the general concept of marketplaces on Nostr, why it's a good platform to build them, or run down of what's currently available in the Nostr landscape now.