All of the buildings, regardless of condition, are obsolete if they have been vacant for 20 years.

The assessor will likely lower the assessed value if you can make the case that the conversion is fuctionally obsolete and that the best use for the space is as a garage.

I have 3 unpaid collections that are due to drop off in 2017 and I don't really want to pay them since I have waited nearly the 7 years for them to go obsolete.  

,"Will real estate agents become obsolete?"

Is this customary since the form is supposed to be obsolete? 

There are numerous 'rules' you will read about but the reality of it is in todays market (in Central Florida at least) all those rules are obsolete and if you make anywhere from a 13-15% ROI on a Flip then you are ahead of the game.

Zillow, Hotpads, Trulia, and the others are making the advertising that property management companies used to do obsolete as well. 

Last listed for sale 11/19/2018, listing removed 3/25/2017, price $127,900.This is usually the part when I start talking about trying to make magical thinking work in D-class by way of a spreadsheet, the perils of investors buying obsolete housing in the Rust Belt purely on the basis of numbers with no construction or renovation knowledge, how difficult it's going to be to get contractors in to bid on jobs for a property like this, how it's quite likely that no third-party property manager worth having would take it on as an investor's single property.

Leased in 30 days, some commercial properties take years to lease, and some are never going to be leased for enough to cover expenses, they are economically obsolete.

I've had success getting obsolete parts this way before.