As far as rate is concerned, you can usually go about two points over the current rate (less closing costs for a seller financed deal so there is no real expense there) You need to make sure the borrower can cover that.

If you are looking to refinance the rate and aren't concerned with taking additional equity out on your property, then you should use a rate/term refinance.

I am primarily concerned with completing renovations in a timely and satisfactory condition, so I foresee the selection of GC looming large in my project's success.

I've collected thousands in security deposit from my guests who've caused damage.

If it's something that you have caused then it needs to be corrected.

Further, long-term upward pressures on inflation remain, and will cause the Fed to be cautious with interest rates. 

However, a lot of concerns can be mitigated with looking at their past rental behavior in a lot of different settings.

What specific concerns or opportunities are you seeing in your market?

That's because the city won't calculate the actual amount till a structure is built, aka it's not just a plot of land anymore.This will obvious cause your property tax bill to go up and also your mortgage escrow account as well (sometimes these things can make your mortgage shoot up a few hundred a month). 

It only happened once, so you have no evidence that this is anything but an honest mistake that's been corrected.The bigger concern is the 583 credit score, because it shows a pattern of financial mismanagement.