If i have only a single unit security deposit in the account, it will likely get a service charge.  

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.

I tried calculating value based on NOI and cap rate (see below) but I'm new to this and the value seems to come out lower than I would expect.

Also get rid of the cat or you'll be charged an additional $xxx fee and an extra $xx/month.

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.

The brother and his son had been living in the house, free of charge, for years, and were gaming the system.

The numbers may be 30-40% lower than today's cost, but the process/approach to estimating may be good for you to review.

In this case, your monthly payment with 20% down will have a good MARKET rate if your DTI works with a much lower month payment and no mortgage insurance(MI).

I know I already mentioned this, but @Mordy Chaimovitz...If you can get by with lower cash flow and invest for the long-term generational wealth (aka appreciation) in nice neighborhoods, that is the way to go, but it's tough to get by at times -- at least it is for me.Just know everyone's situation is different, and you should do what is best for your specific circumstances!

I used the lower of rent amounts for analysis. https://www.biggerpockets.com/analysis/rentals/ee5f6928-93ce... is link to the BP Calculation on it.