Not to mention, ideally, you'd like a condo with reserves - no way to collect that unless the monthly fee is higher.

Your other option is just reserving a week or two for yourself in your vacation rental. 

There are other ways besides your IRS returns but you need other pieces such as FICO and reserves 

I'm certainly working on bolstering my savings/reserves, so I'll be in a better position financially to invest.

You need to reinvest in your portfolio with all proceeds and probably inject additional capital as available (plus having reserves or credit you can tap if a big cap ex comes up).

Then pay off the line of credit as quickly as possible.Be sure to reserve some of the credit for emergencies.

She said it was her 30-day notice, I said if she could be out this weekend,  clean and we were able to confirm it was good, we'd give her the deposit back-rent.   

You could get 2-4 new credit cards with reward/travel points; meet the min spend requirements to get the signup bonus points; pay off the credit cards with your cash reserves before you get charged interest.  

Schedule tours with qualified tenants (only those who confirm that they meet all requirements to save time) - I plan to have 1 or 2 days that I provide a ~3 hour window for those interested to stop by and view the property2.

Now I am in the reserve as an Information Technician and contracting for the Air Force.