So the Square POS system.... not secure
you can hack it with a basic smartphone
as a merchant, you can be liable for up to 20,000 in restitution
there are a few other companies who make them tooo
First Date (secured, but slightly higher fees)
Paypal (secured, but i dont think its released yet)
If you just want to have a list of what you sell... would a notebook work?
1 _____ $5
1 _____ $3
the idea from the fair to track this is cool...
making it easy to decipher at the end of the day could be tricky
idk im subscribin cuz i wanna know your outcom on this