Do a search here on Evolve and you will find a ton of info.Also, use VRBO in addition to AirBNB for your comps.

We have just really loved spending the time and energy to rehab the inside and outside and increase the overall revenueWhat made you interested in investing in this type of deal?

She planned to leave that small house, put a little work into it, and having it serve as a separate mother in law suite in addition to the newly constructed main house.So far, the first acre has a septic tank, well, and a foundation built.

I moved up here for the real estate and now I spend pretty much every day finding off-market deals for other investors and myself.

Added additional bathroom and office space.

what should I check in addition to the regular stuff (inspection, contractor walkthrough, etc.)?

This is exactly the question I'm asking, seems self insuring would be a good additional revenue stream and I'm ok with the loss of a cancellation as long as it's the minority. 

I think it's a good idea to budget for an additional 10% of expenses on top of your initial budget to account for additional unknowns during a rehab.That way it's baked into your numbers.

Many factors go into pricing a new engagement, I have clients that are charged a few thousand up to a few hundred thousand.  1) Number of properties / types of properties (Commercial / multi family / short term / mixed use / triple net / TIC / etc...)2) Number of entities / type of entities / complexity of those entities (syndication/waterfall)3) Existence of trusts / nature of those trusts4) Number of state filings / which states (some states are way worse than others)5) quality of record keeping6) how difficult you are to deal with as a human being ;)7) how much additional consulting and planning services will be needed8) nature of your business9) when do you want it done by?

i made a little bit but it was a long time to spend on a project to not keep it.