You can easily do this on a spreadsheet, and it will take less time to track than finding and learning new software.

If you are easily scared and have a negative mindset, you will probably just waste your time.

They lay it out very easily for you and there are a ton of resources they offer so if you have any questions or concerns you are not alone. 

That permits you to easily transfer the bills if the unit becomes vacant and monitor that each tenant is actually paying the bills and keeping the property in working order so to speak.  

Depending on the lot that can easily be another 10-20k and that doesn't even include the foundation.

Most probably they will be taking a mortgage out, current rate are at 7-9%, so easily on 300K average Pocono home you will have a mortgage of $2000 or may be more!

If you simply don't know or can't easily find out - making multiple offers can be a great way to help meet the sellers needs. 

Also work with a realtor who can easily plug you in with their systems and network of GCs, PMs, lenders, etc.

However, it sounds like this can be resolved pretty easily though and I would try to keep the tenant in place.Hope this helps!

Having leaving leases line up so that any future owner can easily move in or even get financing is ideal.