But your STR business needs to look like a business you started to make a profit.FYI, I would not worry one iota if I had a rental and in year 1 property is STR because average rental is 7 days but in year 2 property is now a LTR be because average rental interval is 9 days.But if it looked like you created a STR "business" to lose a bunch of money and then stop, I'd be a little worried.

**Regular Reconciliation**: Schedule regular intervals, such as monthly or quarterly, to reconcile expenses against your budget.

If you're getting someone who helps you get the big deductions and protects you from bungling the deductions, you'll come out way ahead.You probably know this, but to make STRs work great for tax saving, you want your average rental interval to be 7 days or less, you want to clearly and cleanly materially participate in the first year or two so deductions easily flow onto your return, you maybe want to have a cost segregation study done to frontload a bunch of depreciation onto your return, AND you want to not screw up by running afoul of the Section 280A or 183 tax laws.

If it were me I'd also incorporate things like professional cleaning at certain intervals to elevate roomate tensions. 

So my number 1 question or DD item if considering them as a service would be security and what intervals do they get eyes on the property?

They provide one-on-one assistance from my specially assigned   advisor if I need more extensive assistance for an hour a day during zoom, in 15 min interval appts.

It seems to happen at regular intervals around the time housing affordability hits a low. 

The reason is, to be a STR for the year, your average rental interval for the year needs to be 7 days or less.Example:  First month of year, you finish up a LTR lease.

The lease agreement may include terms for renegotiating the lease usually at either set intervals or upon expiration.   

If you can place those replacement reserves in some type of investment account, the interest earned over time can help leverage your investment for replacement reserves.Appraisers will sometimes use a sinking fund factor, which is a formula used to determine the amount that needs to be deposited into a sinking fund at regular intervals in order to accumulate a specific future amount for future capital expenditures.