However, sometimes one of the parties prepares a document believing it to be a valid and enforceable agreement only to find, after expensive litigation, that it was not a binding agreement at all but merely a non_binding, non_enforceable agreement to agree, letter of intent."
Build a list of things that you will be addressing in the Purchase Offer and decide how you want each of them handled. Now you will not be able to cover EVERY scenario but you will be much further ahead (and prepared) when it comes to crunch time. What do you do then? Present the offer to the seller. Make sure you have an ending day and time for your offer to expire. You do NOT want the seller thinking this over for too long.