Would you rather set it and forget it and not need to refi again or rather take advantage of low/no closing costs on this loan and plan to be more aggressive on your rate at the time of your refi?

Over estimate the costs and not need them?

Happy to chat...being a local GC takes out a lot of the risk of the biggest variable for most investors (unpredictable rehab costs) and also allows you to consider more options than the average investor, with your rehab costs being significantly lower.

Items such as this that could be easily replaced by almost any LL at a very minimal cost, will turn into a $135 aggravation at best if you overlook it!

Do you work with any specialty tax firms to help us small business owners get access to R&D tax credits, cost segregation and other specialty tax credits?

Far more costly to transfer property at a later point than simply purchase in an LLC on day one.

Once you go with a minimum 6 month lease your turnover costs, potential damage, make ready costs, repainting and repair costs, all go down dramatically.  

There are a ton of tools and resources that not a lot of people know so doing some YT watching and their training helps immensely. also, happy to answer any questions you might have on set up / operations.

Sounds like you need to have a relationship with a couple of good contractors, 40k for vinyl siding sounds high, what was the material cost.  

Turbotax isn't going to educate you so unless you'd like to educate yourself and potentially make some costly pitfalls, then I'd outsource.