Also, have excess cash ready in case of unexpected expenses.

Note that most counties will not track down the heirs to pay them any excess proceeds from the tax sale. 

Through a combination of devices like NoiseAware and Ring doorbell, there is potential to automate messaging to guests that there is excessive noise or too many guests at the property.

Yes, wood siding is more subject to moisture damage and rot, but you can pretty easily cut out a section yourself and (hopefully) replace it with an exact match.

She claims he did not fix the issue which has now propagated into a moisture and mold issue.

This could be things like excessive deductions or I have heard people claim they did a 1031 exchange after only three months of owning a property.

Therefore, my net gain after the sale, and paying off the existing mortgage, was $10,261.Summary of NumbersBelow is a summary of all the numbers.Total Invested of my Own Money = $0 (given I used a HELOC to fund this investment)Total Earned from Sale / Refi = $20,342.62Total Cash Flow = $1,047Total Earned = $21,389.42Why I SoldI currently have another investment opportunity I would like to capitalize on.In addition, given the age of the property (built in 1897), I could not see myself holding this rental another 30-50 years without significant capital expenditures, that were in excess of my original assumptions.Finally, I thought that this may be a better than average time to sell, given the current housing market.

If you have excess funds in your business account, the solution may be to just distribute the cash to yourself.

He can refuse to give you your deposit and bill you for the excess cost of the repair but you can tell him it was damaged when you moved in and damaged laminate always gets worse because the damaged areas let water in.

Moisture on the ceiling makes no sense as the attic is hot.