Im sure its unavoidable at times since things can happen last minute but whats the industry standard for verifying a property is still on track to be auctioned a day or two before the scheduled date?

It is a full doc loan, so lenders will need to verify you have the DTI to support the line of credit.

It has been suggested to call these people 1hr prior to the showing time to verify they still plan to come.

In contrast, sites like Zillow verify the owner's status before listing a rental, ensuring a more secure experience.

.- As I am not a finance expert, I urge you to conduct thorough due diligence in verifying this information.

Call your city's building department and they can verify this- you may need to talk to a building inspector. 

But ask for interest after you've found a QI that takes their job extremely seriously, offers legitimate client service, and has a verifiable track record. 

We have now learned to verify the sq ft of every property we plan to buy.

If you are buying a property, the agent should only ask (if they do at all) to see your ID to verify your human and then only if they are providing you with access to viewing homes on your own.

As Matthew said, anyone that buys from a wholesaler without verifying the reno costs and the ARV is asking to be taken . . . . as the saying goes "Trust but verify".