Of course when doing the 1031 exchange your basis will carry forward into your replacement property.Where you have a potential issue is establishing your intent to hold those properties but immediately selling one or more them as soon as you have them ready. 

He was more expensive because now I gotta pay someone else to fix it.But here's the other side of the license issue.

Had an issue with trying to self-permit a build a few years back that was an HPR but had an "A" and "B" designation.

Even in towns where they desperately need affordable house if, they can’t get over the stigma of MHPs.The other issue you’ll run into is highest and best use.

Good news is our land is where all of the next-door houses are (free houses, I think legal issues). 

Lot of the issue stems from pillars / blocks that sit on top of the soil in the crawl.

One of the issues I have noticed is that some people think of a flip house as being the cheapest possible rehab. 

Purchasing a STR in a somewhat sketch area is a terrible idea and as others have mentioned, is going to open you up to potential issues. 

It was high rent, low entry point area but within 6 months I dealt with an eviction and electrical issues.

Beyond immediate safety concerns, the long-term financial implications, including taxes, are a pressing issue for those impacted by the disaster.