All told, cash flow will be a function of your down payment and your management of the property.FL tourism continues to flourish. 

In my opinion, $90,000 is too little capital to invest in real estate within a retirement account plan.LTV's are lower when investing with a retirement account plan - Around 65%Meaning if you were to use $60,000 as a down payment, you would likely only buy a house around $70,000.$8,000 would likely go away in closing costs.

., Purchase Price: $475,000 ($197.9/sq. ft.).Estimated Market Value: $402,000 ($168/sq. ft.).Financing Terms: 2% interest rate, with a 9-year balloon.Unit B Income: $2,049/month (Section 8 tenant through November 2025).Unit A Income Potential: Similar rent or higher; Section 8 cap for the area is $3,234/month.Monthly Loan Payment (P+I): $1,386.Cash Flow Breakdown (if both units are rented at $2,049/month):Gross Rent: $4,098/month.Vacancy (10%): $410/month.Operating Expenses (37.3%): $1,376/month.Net Cash Flow: $943/month.Key QuestionsWould you be comfortable paying an 18% premium for financing at 2%, especially in a market where current mortgage rates are closer to 7%?

For example if one partner brings the 20% down payment and the other will do the labor for renovations then what would be a reasonable split be.

Which do you think a tenant will pay first - their car or rent payment?

When you pay the invoice/expense in the AP queue (i.e. transfer funds from your operating account to the AP/CC account) it show as a payment for a specific expense/invoice?

Most lenders I work with would lend you 70%-75% of the value of the property, but only so much that your NOI/profit is 20%-25% of the monthly loan payment.

Honestly is better spent as a down payment on a second building. 

Are you strapped for the down payment?

Do you have a price range (or down payment target) and are you ok with some rehab or do you prefer turn key?