I will say the abatement if you do it right with a good contractor will be pricy since they have to abide by some different regulations on disposing of it. 

More deals are killed by procedure and regulations than anything else it seems. 

If you're running a large portfolio then you would have policies and procedures.

But I am in FL, and Im sure that scares others, but I am not just talking about natural disasters - just general over-regulation. 

Pick up the phone or stop by local code enforcement offices to make sure that you have a crystal clear understanding of local laws and regulations.

Just like on the West coast pre foreclosures are highly regulated but folks violate those laws all the time..

I exited the market due to the short term rental regulations - properties that are rented under 90 days are considered short term.

Make sure the zoning, local building department/regulations, and neighborhood allow you to put a tiny house on your property and rent it out.If that is not possible, using that money for the next property makes sense.In general, I think increasing housing density will help provide more badly needed housing affordably.To Your Success!

For instance, what are the rules around security deposits, eviction procedures, or property maintenance?

In the last 18 months various states have instituted new rules, regulations or laws related to (1) need for licensure to wholesale (2) restrictions on marketing of a property in which you do not have ownership and (3) disclosure requirements when dealing with a homeowner that makes it clear to the homeowner that the contact signed with the wholesaler is not a definitive “sales” contract, therefore making it less likely home owners will sign4.