Pull your permits, keep them in the loop, and put it behind you. 

.- govt. permit targeting by county has become big issue like never before..militant,,theyre driving around for investors...surprise inspecting...per insurance co. pressure.- I heard famous injury attorney on my church radio today )if I understood correctly) advertising to file for lawsuits related to pipes older than 1975 not being re-plumbed by investors..so no shortcuts..extreme diligence.

Contractors and subs, permits and inspectors... throw in a partner and a bad PM and you'll really have a party!

The raised foundation makes some things easier, but you've still got plans and architecture and permits and everything else. 

I considered running gas lines along the exterior of the building and installing wall furnaces, but I was advised that gas lines are very expensive to install and require permits. 

Curiously, are you permitted for short-term rentals? 

Permitting the dwelling or grounds to be used for, or to facilitate illegal activity, including drug-related illegal activity. c.

Pay up for the right kinds of permits, from which funds are allocated to improving roads, schools, homeless situation, etc. 

Do you have the reserves in case something goes wrong or you need inspection/permits or have to hire a contractor? 

I would also plan 10-15% contingency into your home reno as your likely to run into some issues depending on your experience with home renovations and permits.