I'm 100% T&P in Florida, but same rules in TX- unless you are physically in the address, that is considered fraud, so I would advise against that. 

There are still some counties in FL that don't have online auctions, you would have to physically go to the courthouse with your certified check and bid on the property. 

Owner occupied is physically living in the property.

If not physically taking the pictures you could have them take them and you perform the edits.

They are physically posted on a bulletin board but also published in a paper called Daily Court Review.

From that, I pre-screened which ones I can meet when I physically inspect the property.

It is based on facts physics action reaction period.

There is tons of other info to look at with a commercial property such as underwriting the financials along with due diligence on the physical structure.No legal advice given. 

If you have a hold over, they should have been taking much more action beyond waiting for payment to come in and telling you that they can hire a collections agency for the rest- they should be getting the tenant out, assessing both physical and financial damage and settling up using their deposit. 

If you proceed in this manner, be sure to fork over the fee following their departure or on the day of the move when you physically see the moving truck and their belongings exiting the door.