I can start with 2-3 properties and have proof of funds and a 4-year business history in the U.S.

Down the line as you clean the place up this may be something to keep an eye on if you have proof of what you are saying. 

Almost bought myself a property with a major leak because the seller sent proof with receipts but I dodged a bullet when I conducted my own re-inspection!

I assume you mean proof of funds lender? 

Somehow, your ignorance of how anything works is proof that it doesn't work? 

A multifamily deal is a resilient, recession-proof gold mine because rents tend to increase regardless of economic circumstances, there will always be more people than places to live, PERIOD.

The are always multiple variables such as: are the gift funds involvedProperty typecondition of the propertyIs it ruralTitle seasoningReservesLTVWhat is the estimated DSCR ratioCitizenship status: Foreign National, ITIN, Citizen, Resident, permanent residenceDoes borrower have investor experience or notMortgage payment history called a VOM or proof of timely paymentsGift of equity or not100% gift funds or does borrower have at least 5% down payment and their own reserveshow many acres does the property have?

Usually, lenders will require a down payment or proof of other assets to ensure you have a vested interest in the property's success.

It's not fool-proof of course but after years of doing this that's my best recommendation on how to find the best of anything real estate investor related. 

We were able to overcome it by providing proof that we paid, and were completely responsible for the loan and had recorded documentation to prove it (letter to lender attached below -  (side note this was for a VA loan so we used an agreement for sale in this case).