The year I bought the house the inflation rate was 9.1% (I didn't count that year as I didn't own the property for the full year.) 

Purchase price: $250,000 Cash invested: $250,000 A 1 family to 2 family conversion property in East Elmhurst NY.

To get the best rate, you will want to use a conventional mortgage so you can't put it in an LLC.

Managing an STR a very hands-on 24/7 job if properly managed with a decent occupancy rate.

Tell me how often you have to file for an eviction.I didn't ask to negotiate the monthly fee, and never have since day one - as long as they provide me excellent service, I am happy to pay their requested rate. 

As PO BOX rates have more than doubled in the last 10 years, I'm trying to setup an additional mailbox for my fourplex building for the purpose of receiving administrative mail to effectively use it like a PO BOX.

You get a 30yr loan on a fixed rate, the debt is paid by the tenants, while you still cash flow.

CAP rate (how many real actual dollars you put in your pocket every year) and wholesale (value of the property and wholesale value of the trailers). 

As engineers we tend to focus on things we can grasp with numbers and conversations, which is why I am wondering what you guys think is a good idea.

I recently set up an LLC to manage and eventually take ownership of the property as soon as possible but I am assuming my lender will not allow that without refinancing with a higher down payment/interest rate.