Mold remediation can be expensive, but it may not be big enough to justify an insurance claim.

I read about it on Reddit and have had it for a year - it does everything more expensive softwares do but for a much lower price. 

Your helping a lot of BP members with these detailed accounts.. its unfortunate that it comes at investors expense but its a great learning tool for newer folks.

I tend to write off physical expenses to the building and do not write off expenses associated with personal effects.

Which one should I use of the less expensive/ simpler lot. 

That is a "vacancy and credit" imputed expense even if you don't have any.

Time the Sale Strategically: Selling the property in a year when your income is lower can place you in a lower capital gains tax bracket, reducing the tax rate on your gains.8.Deduct Selling Expenses: Costs associated with selling the property, such as real estate commissions, legal fees, and advertising expenses, can be deducted from your sales price, thereby reducing your taxable gain.9. 

Consider house hacking and short-term rentals for reduced living expenses.

I understand that I need to prorate my expenses based on the square footage that is being rented out.However, I plan to move out soon and rent the entire house.

The idea of house hacking a multi-family property is a great way to cover living expenses while building equity.