You are speculating quite a bit here from a position of ignorance. Googling can answer most of your questions in 5 minutes or so.
These are all questions that are VERY easy to answer. You do not need consent to place strictly necessary cookies (think a session id that identifies a shopping cart). Other cookies you do need consent for.
Access logs, don't 'probably count', they only count if they include information that could be used to identify a person, like an email address or ip address. Pretty easy to not log that info.
Do you need to 'register' a website as a business with your local authorities? Likely not, but I don't know where you live.
These are all questions that are VERY easy to answer. You do not need consent to place strictly necessary cookies (think a session id that identifies a shopping cart). Other cookies you do need consent for.
Access logs, don't 'probably count', they only count if they include information that could be used to identify a person, like an email address or ip address. Pretty easy to not log that info.
Do you need to 'register' a website as a business with your local authorities? Likely not, but I don't know where you live.