My tenants love them and I was able to bump rent. 1 bed 1 bath 650 square feet apartment is easily (according to two tenants) cooled and heated with one head in main living area. 12000 BTU model.

You can easily do this on a spreadsheet, and it will take less time to track than finding and learning new software.

Hello Ilya,Where are you looking at purchasing your 1st property.When converting a property from a single family to a multi family, you will need to check on the zoning requirements, depending on your location, not every location has zoning.As far as lending goes, it is far easier to finance a single family up to a quadplex, than financing 5 plus units, the DSCR Market for 5+ units is extremely low right now, and there are few if any lenders in that space.For financing 1-4 units, there are Millions of dollars chasing those loans, so you can easily obtain long term financing, at rates between 5-7%.Please reach out if you have a property identified, and I can help you with financing options.

If you were to read all the comments in the thread you would easily conclude myself and other users of REI Reply did not show up here on Bigger Pockets to "market" REI Reply.

But I don’t see how it can easily be accomplished in QuickBooks. 

If they are professional, they can explain this quickly and easily.

Contractor license numbers are matters of public record and easily looked up on your state’s Contractors State License Board.

This would depend on the location, I know in Texas the RV parks are generating $300/space/month in income, you are easily seeing 30% ROI for RV parks.

The example I posted very easily cashflows.

Flips can be done pretty easily in 7 days if they are simple and as mentioned with planning or a templated plan 7 days is totally doable even for one that needs a ton of work.That being said 1 day seems unrealistic unless they exclude a massive amount of planning before the project which maybe they are.