Unfortunately due to the nature of dental work (lots of saliva, aerosols), dental is limited to emergency treatment only in the state of Ohio where I live. 

With the exception of the roof, just about every part of the house needs to be rehabbed (kitchen, bathroom, floors, windows, foundation, termite treatment, paint, plaster repair, insulation, electric and plumbing update) whether I want to preserve as a SFR or if I wanted to sell without a loss.I'm starting to wonder if makes sense to just tear down and do a new construction.

That treatment makes it less porous but not sealed from water damage.

In order to qualify for 1031 treatment you must be purchasing investment property. 

Our states tenants "pay any periodic, preventive, or additional extermination costs desired by Tenant, including treatment for bed bugs, unless otherwise required by law".If they've been a problem tenant for years then it might be time to find another tenant..

Currently, 2 treatments and 1 vaccine are under clinal trials.

The Senate print accompanying the Deficit Reduction Act of 1984 stated that the intent of Congress in amending the statute was to "decrease the controversy and litigation arising under present law with respect to the proper tax treatment of start-up expenditures" by requiring expenses similar to those allowed as deductions in Hoopengarner to be capitalized.

FYI, bug bombs don't work....go to DoMyOwn.com and read up on bed bug treatments....you will probably need three products Temprid FX, Gentrol IGR, and Cimexa.Be sure to read all the instructions, you will need PPE.you will and should treat 3-4 times, once every 5 days to a week.

Through the process we also added new electric, plumbing, HVAC, and we are having termite treatment done.

You may need to do monthly treatments for a year in some cases.