Depending on purchase price, cost of rehab, ARV, and rent in that area; you could potentially pull all or some of your money out of the property.

The cost of QuickBooks online doesn't justify our usage.

Key factors in analyzing a multifamily deal: The two most sensitive inputs will be your vacancy factor and your cost of capital.

Insurance has gone up a lot and costs of repairs, etc. 

A lot of these blogs I am reading are from out of state with very low cost of living so I think If someone from this area could answer this, it would be very helpful for me.So my husband and I are currently living in one unit for the past 4 years that is part of a triplex/multifamily property in Belmont Heights in Long Beach, Ca.

I give the warning because these tenants live in a little bubble and aren't considering the costs and inconvenience of moving.

There's preferences.If i have to choose, I would choose either AppFolio or Yardi Voyager, but these can cost anywhere from $14K to $150K. 

Loans from the FHA, online investment groups, middlemen, rent-to-buy deals, ready-to-rent homes, and borrowing from private lenders can cost less at the start, grow in value, and give you a steady flow of money.

Also run a few scenarios of costs and see how much over budget these repairs can go before you don’t think it would be a good deal anymore.

Some lenders will require as little as 15-20% down (of the total project costs.)