Thus payoneer is not as free&flexible as a conventional bank account, which kind of explains why US government allows people have such "restricted" accounts.

because you cant do both my friend. if this is you goal you should focus on your genre of real estate if you will. master one aspect at a time. i come here because the real deal type folks are here with advice. donald trump has those get rich quick real estate schemes if you want to take the class. lol. 550k and above are major numbers. study those duplexes and those like it in the area. do the numbers for 6 months or better. have fortitude to study and learn, then start looking. but then your a shark looking.

Their bills are due when their bills are due and you have already been more than generous in your flexibility. 

Otherwise, a 30 yeah fixed would most likely be the safest bet and give the most flexibility down the road.

HELOCs, when strategized properly, simply give the consumer the flexibility to decrease the amount of interest and time on a loan.

But most importantly it will affect your flexibility for 1031ing as that LLC is a tax payer and if one of the properties owned by the LLC is sold then the LLC has to buy the new property. 

Since you are looking to use it to purchase investment properties, this option gives you the most flexibility.

How flexible are commercial terms and rates?

If you want to pay off the loan in 15 years, you should keep flexibility to refi. 

So our business decision is that we need to work with banks that are flexible with investors.