Is there a discrimination concern or a procedure or exception(s) to follow in order operate as such? 

You really need someone to look at the documents you have, what they say, and pit that against your local laws and procedures. 

Two of the safe harbors that can help you deduct improvements are below:1) 2500 de minimis safe harbor.the safe harbor applies to amounts paid during the tax year to acquire or produce what the regs call a “unit of property” (UOP), you must meet these requirements: (1)you need to have written accounting procedures treating as an expense for non-tax purposes amounts paid for property costing less than a specified dollar amount (which will be 2500 for you), or with an economic useful life of 12 months or less;.(2) the taxpayer treats the amount paid for the property as an expense on its books and records in accordance with its accounting procedures. ( do this on your bookkeeping software or whatever you utilize)(3) the amount paid for the UOP doesn't exceed $2,500. as substantiated by the invoiceNote: The cost for the Unit of Property includes l additional costs (for example, delivery fees, installation services, or similar costs) if these additional costs are included on the same invoice with the property.2) Small taxpayer safe harbor: To be eligible for the safe harbor, the total amount of improvements for the property for the tax year may not exceed the lesser of $10,000 or2% of the property's unadjusted basis.If the total amount paid exceeds the safe harbor threshold, the safe harbor does not apply to any amounts spent during the tax year.

-When someone gives a notice to vacate what is your procedure?

I am trying to understand the procedure for qualifying income ratios for Fannie mortgages.

Anyone here in the Atlanta area that has dealt with the Fulton county tax sales excess funds procedure?

The proper procedure would be your states version of a cure or quit notice.

Banks have similar procedures. 

You can get sued if you do anything wrong regarding these eviction procedures, or at least have your eviction take considerably longer. 

I have done plenty well following some basic real estate investing guidelinesIt's too long to repost how I do that so I'll put it here: It's about the 6th post downhttps://www.biggerpockets.com/forums/311-buying-se...I take the Balou approach from the original Disney movie "Jungle book" "if you act like that bee acts, uuh, uuh, you're working too hard".Set up your Systems & Procedures, Analyze your market, put together a marketing plan, work your market, close the business and Repeat