Each closing, whether multi-family or single family, is going to have some of the same costs: title insurance, attorney fees, inspection fees, appraisal fees, fees associated with financing, etc.

ARV 900Total reno was 170k Appraisal $399.00 Shut off valves $95.75 paint $300.18 Commeercial enzyme cleaner $72.09 Water activation fee $51.38 shut off valves $38.52 Kilz restoration primer $275.66 Kilz restoration primer $150.33 Shower tile-Master.

In addition, due to the 2 of 5 year rule there often is no need.  2) you cannot 1031 a property that has not been put into service to be an investment property 3) you cannot 1031 a flip.  

Then they'll charge an additional $2,400 for filing tax returns. 

Commercial buildings use triple net , and those costs get passed on to the tenants thru CAM fees . 

There is no additional "risk" on the note like a demand clause etc, but you have  extra expense in upfront one time costs and the pre-payment penalty that most programs are sold with if rates do drop as expected in the future.  

There are no taxes, but there are still fees which work just like taxes.

You may also need to provide additional documentation, such as proof of income and employment, and may need to have a co-signer who is a U.S. citizen or permanent resident.In terms of buying with an LLC, it can be a good option for some foreign buyers, as it can provide additional liability protection and potentially offer tax benefits.

While your condo snowball strategy builds equity, modest cash flow and HOA fees may limit returns.

Quote from @Sami Gren: I start by making the original tenant fill out a form requesting to add a new renter, and they pay me a $50 processing fee (I charge a $50 fee any time I make changes to an existing lease).