What kind of proof of funds do you need for auctions?

You need a proof of funds or a pre-approval to go with any offer so if it's hard money, they will issue a letter.

You always want some proof of who cashed the check and where it went. 

There are also a lot of reasons to doubt Bitcoin's Proof of work model.

We make them sign and acknowledge all the fees at lease signing Then when the tenant gives notice we send them the video link and the pictures to let them know that is how we expect to get our property back.Then after the tenant moves out we take another video and another 150-200 pictures for before and after pictures and proof should we ever go to court

Time is critical, especially in competitive markets.Clear Offer Terms - Present a firm offer with terms that make the seller feel confident that you can close fast, with minimal contingencies or proof of funds.Due Diligence Preparation - Have your financing lined up and know your repair/rehab costs in advance so you can move quickly without second-guessing.

Inability to show proof.

Proof this method does work.  

no banks, no credit , no W-2, no proof of income needed. 

there are differences between ESA and Service Pets so I'm trying to understand what are the different proof the landlord will ask