There's got to be commercial options available for STRs that perform better.

At the start they performed PM duties but sub contracted out construction  and brokerage.

Performance expectations and deal horizon can be adjusted and recommunicated.  

You can also set financial goals and track your progress.Why investors should use it: Monarch Money lets you view all your investments in one place and track their performance over time.How to get it: Monarch Money can be accessed with any web browser or the Monarch Money app, which is available for iOS and Android devices.Cost: A free seven-day trial is offered.

Raising a mobile home is a common task that may need to be performed every now and again, depending on the location.

If you do not have someone you can call to perform the work at that estimated cost, it will be a struggle to meet your budget. 

The rental income can only be used up to the point that it washes out the monthly PITIA (positive net rent cannot be used as income), or underwriters can perform a cash flow analysis of the business over the last two years.

Track your deal performance on a spreadsheet.

Like @JD Martin said if you have the right language the seller must perform and close.

Work to get existing use performing again fully.6.