You could have posted a few pictures from your store so we can see how it looks. If you have a bitcoin accepted here logo or something, take a photo of that as well.

Cool. Take a look at Show off your hardware wallet and take part if you want.

How is that possible? If you run a store, don't you have expenses and obligations towards the state and your employees (salaries and taxes)? Do many people come to your store and pay with bitcoin and do you just not declare that as income?