As mentioned mold needs moisture and the best way to get rid of moisture is proper air ventilation.

A CPA can ensure proper filing of rental income on Schedule E and help identify tax-saving strategies, such as optimizing deductions for maintenance, repairs, and travel.

But you need to educate yourself and know exactly what the remedy is, or you may pay a huge expense for nothing.Any company that's doing a bid will video your line (no cost) so they can properly determine what the issue is.

Give proper notice.

Quote from @Matthew Irish-Jones: Quote from @Mark Cruse: Yes, there will be more expenses above what's mentioned here but if this is done properly it can be kept to a minimum.

Take ownership of your mistake and learn to do the proper due diligence recommended above😊Thanks Michael ! 

The big question is whether you calculated cashflow properly.

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Proper record-keeping of rental and personal use days is essential to avoid IRS scrutiny.

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.