If you’re new, and “diving straight in” … you might be interested to meet nostr:npub1dtgg8yk3h23ldlm6jsy79tz723p4sun9mz62tqwxqe7c363szkzqm8up6m , who is has been working on a similar “locations based review” project for a few months.
They’ve learned a lot about “idealism” vs “practicality” re: building on Nostr …