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

Properly sealed pavers would not have soaked up the oil.Regardless, it seems like it is fairly easy to remove oil from pavers.

: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.

Can anyone please direct me into the proper direction/s.

These things can be accounted for with proper due diligence!

I do personally think that Section 8 can be a great investment if tenants are screened properly.

That's where pricing comes in, if the property isn't priced properly, it won't get booked - and it will disappear in the rankings.3.

I wouldn’t buy a property from my mom without proper title insurance.

Houses are still selling as hot cakes with 30 days on market if priced properly and inventory that has been the same for the last 8 months (new in, old out), so be ready to be very clear on where to focus your search. 

A proper sewer inspection is critical to avoid future plumbing disasters.