Without their permission, yes.
yes
Yes, it can, unless the spouse's business is incorporated.
Yes, it is illegal to use someone else's debit card without their permission. This is considered fraud and can result in criminal charges.
Debit card skins are not illegal to use, but it is important to check with your bank or card issuer to ensure that using a skin does not violate any terms or conditions of your card agreement.
Yes, it is illegal to copy a bank debit card without authorization. Unauthorized duplication of a debit card can lead to identity theft, fraud, and financial losses for the cardholder. It is important to protect personal information and only use debit cards in a legal and responsible manner.
Don't do it. It's illegal.
If it is a joint account I would say none. You are married and spouses share things in a marrige.
Debit Card vs Credit Card
It might not be illegal to "get" a credit card number but it would be to use it if you're not an authorized user. If you're not on the account then the provider has no obligation to provide you any information about it.
Debit card
where is the roll no on a debit card
A common function of the debit card is as an ATM card.