Taking a break today from building my bigger projects after insanely productive previous week (including weekend) and building my first cast action. If you also hate reading long casts from images this will be very helpful.

I need to return more data than a short message and want to send reply under a cast, what is the easiest and cheapest way to do that?
I don't want to pay $20 a month just to send casts.
Any resources, tutorials would be helpful.

I’m a builder looking for the next challenge. 

Found this: https://www.pinata.cloud/blog/how-to-send-a-cast-with-the-pinata-farcaster-api