The US Tax code is too much knowledge for anyone to digest completely. 

Due to recent building code changes, you can build a framed building up to 4 stories on a slab, which significantly reduces the overall cost of new construction.

I'd imagine I have a referral code or something somewhere if that's helpful for you, might get you $ of your first box or something.

It said this is pursuant to tax code section 23.55It said I can protest in next 30 days1) Does this mean we have to pay taxes and interest for prior 3 years?

GLA is 1974sq ft, 3 bed 2 bath , blt in 1974, 0.33 acre lot, 85749 zip code just outside of Tucson, AZ city limits.  

I was also planning to work for a property managing firm to learn the ropes of the state and local codes while continuing to invest.

Very likely no (how do you think this would benefit him?)

Another benefit is lower flood risk...those may be famous last words, but you're in a good location/elevation relative to other parts of Houston metro.It is very street to street and block to block.

Considerations for Long-Term Tax Strategy: If your long-term STR status is uncertain, weigh the benefits of bonus depreciation against the potential downsides of depreciation recapture and passive loss limitations.

If you use the code PMLIVE24 at checkout you will get 20% off ($312 at checkout) your first year of Pro.