Common hidden costs include not accounting for increases in property taxes and insurance over time, underestimating repair and turnover expenses, and the cost of property management.

I know two projects that ended up in BK with this same scenario, with the land and house lost.

On my rentals which are generally C+ to B class I have never regretted giving a 1 year lease since the most common reason to oust someone is nonpayment and that is just as easy in my state with a lease. 

@Brian Willie this setup is very common to avoid having each Property LLC to have its own bank accounts.Only the Management LLC will need Operating and Security Deposit accounts.They all need to be single-member LLCs with the same owner, or else it gets very complicated.Find a good tax attorney to help set this up.

I really hope my case is an anomaly and hoping, builder issues, are not that common.

Its very common in PCS situations. 

Lodgify is actually not that commonly used anymore since other platforms offer better functionality for hosts.

We are lowering rent to 1650 and to 1550 in two weeks if it does not rent. 3 years ago 1800 was common for this neighborhood.

This gives you an objective third party as a witness and it ensures the charges stand up in court.What you experienced is very common in real estate investing.

In this scenario, $30k (I no longer do rehabs at this low of a budget) add $60k value of which I get $45k in the 75% LTV cash out refi.