This "app" just seems to catch four things, which are listed here and you should know before you go on a trip:

https://leeaky.vercel.app/app/checklist

Logging them afterwards doesn't save you any money.

Well, submitter's comment is flagged to death, probably because he wrote "I built" when it looks like "I shepharded a coding agent to...".

As a penny-pincher and hater of profiteering middle-men, I like the concept though.

[flagged]