I guess it depends on if you think home prices will continue to go up over the next two years or not.  

Depending on what type of relationship you have with your lender you can have them disapprove the loan to protect your EMD. 3.

Both lead to that buyer overpaying and taking an opportunity off the board for the investors who have their underwriting completed accurately.I believe its somewhat market dependent but it has become increasingly difficult to make construction oriented deals work in the price points you mentioned.

I guess it depends on where you are buying.

Which is code for "MORE dependency, dependency on D.C. for ALL!!!!!". 

Rates for STR management typically range from 20-30% of revenue, depending on the level of service and market demand

Depending on the tenant and what their financial situation is, you might also be better off giving them a 60 day notice and just telling them that you're planning to move into the property and do some updating. 30 days is usually too short for someone to have to move on, 60 days is plenty of notice for them to be able to pack and find another place.

You will have to pay for an appraisal to and depending on what the value is it will be up to you to determine if you want to proceed or not. 

Rents are low (10%-25% below market depending on the property so there is value add).

More Mods won't necessarily change things that are complained about, because as my esteemed colleague @Nathan Gesner mentioned, it depends on time of day, forum(s) frequented, posting times, and other issues that sometimes means there's a whole bunch of us here at the same time and sometimes I'm the only guy here, or Nathan might be, or Ned, or someone else.