Simple answer, Im not a consultant.. when I am, I will be a expert in the field, as that's why I would be a consult..
I do help, its evident. But when someone makes a post about consulting, they hired him/ her because he/her told the restaurant they can help and charge them for this..
There is nothing wrong in him/ her asking for help so he can keep his client, but I'd like to get paid aswell to help him, otherwise tell me the company and I'd directly contact them and provide the support they need at less pay.
Would there be a problem with that? after all i'd be helping the restaurant?
I'll go ahead and make sure to send a bill to your company next time you ask questions on here, as an additional support fee . (Protip: that's not the point of a tech forum - the point is to help users to come and post).
Also, just because you're a consultant, doesn't automatically make you 100% knowledgeable in every area. You'll still have to do research, which is what OP is doing - he's asking specific questions in regards to if anybody has any experience with any self-service POS's.