Most states (maybe all?) have a common 3-day "regret" clause for many types of transactions, including car buying, mortgages, etc. So you can, in many cases, st

Most states (maybe all?) have a common 3-day "regret" clause for many types of transactions, including car buying, mortgages, etc. So you can, in many cases, still 'take delivery' and then if you change your mind in 72 hours, you can return it. Again, I forget if all states have a similar set of laws for this or only a subset.