Hi
Welcome to in the community!
> Does supabase have read write costs or how does it work and what data types can you put
You can do unlimited requests for free. I'm not sure about which data types you're talking about.
About pricing, you can find more information here:
https://supabase.com/pricing
Note: please think to use
#843999948717555735 next time which is a better place to ask :p (we can continue to answer to your questions in this thread)
@rookiedeveloper