At the time QB was not the best for property management.

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.

Quote from @Wale Lawal: @Paige GardnerYes, this strategy is possible, but it comes with risks that you need to manage carefully.

If the repairs are manageable and you’re getting at least a 10-15% discount, it can be a great deal—but avoid properties with major structural failure or uncooperative sellers.

Property Management Is Still WorkEven if you only have one or two tenants, you’re still a landlord—which means handling maintenance, lease agreements, and potential disputes.

It puts a face to management and allows to open doors for repairs if need be and makes them aware of who owns property now.

Quote from @Geoffrey Paugam: I suspect there are many managers there, but maybe not any good ones?

If you are unsure, to start, hire a property manager and don't let the tenants know you are the owner. 

The other contributing factor was the poor property management and sponsor asset management of the properties.

Then you can manage the calendar.