Cost of Farcaster sign ups once things are permissionless

Cost of Farcaster sign ups once things are permissionless 

https://warpcast.com/dwr.eth/0xd88c10

If you stop paying what is happening to the past data. Is it kept forever?

After what time? 

I can imagine I might be unable to pay the subscription fee for whatever reasons (I'm in hospital,  etc.)

Building @kiwi 
Writing @ https://kanfa.macbudkowski.com/

Thankfully no, I'm just very sensitive to these "unexpected" things that might happen and want to have mitigation plans