I have designed, built, and own (very) small scale (500kW) solar farms and in my world, I learned to always look for the word 'exemption' to make sure I'm not wandering in territory that will cripple me financially. 

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Overall, I learned there are many aspect sand parts in a Flip: from Realtor, City Inspector, City Code, Contractor, Designer etc.

I prefer someone holding the CRE designation to perform the study, although MAI designees are usually also qualified.  

And interestingly enough this has also catalyzed the interior 1/3rd of FL east of Orlando and west of the gulf coast. 

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Full kitchen and bathroom remodel, new floors, drywall, interior and exterior paint, landscaping, and misc.

We have seen the opposite - is the rest of the home designed and furnished well?

Purchased, rehabbed, designed, and furnished 5 bed 3 bath in AZ completely remotely.

You can't go off of the cost estimate on permits and even beyond that, design, site work and a number of other factors will play a significant role in costs.