They may not be able to use financing contingencies and may have to show proof of funds equal to the acquisition price but the money that hits the sellers bank account is the same whether its "cash" or a financed transaction. 

That first deal always hits different—it’s not just a property, it’s proof you’re making moves.

I think im living proof that profit can still be made, even with little or no down payment.

Proof of downpayment and reserves (typically 12 months for a foreign national)4.

You will need to present proof of payment but that's about all.

Any advice for older listings that dont do well in displaying in the top of local property searches. 

Sticking with the theory of making thins simple and fool proof......any one have thoughts or suggestions

If you're living in it now, you'll probably be required to have a signed lease in place as well as proof that first month's rent/security deposit were collected in order to get a DSCR loan (they're business purpose loans and don't allow owner occupancy).

Perhaps you can provide a funds tracking and proof of funds to your investor.

If one of you were to provide proof of hours, income, and activity then could qualify you in the near future.