Here in Atlanta my rentals get cards and letters from around the world.  

I started a business with a combination of monies from credit cards 💳 & loans from friends.

Outside of family or friends, I'm not sure you will find a rate much lower than that.One option may be to get a credit card with a zero percent into period,  but this can be risky, and selling in a timely manner is important.  

@April Robbins Definitely pay off the credit card bills.

Alternatively, renters can pay with a credit card, debit card, or Google Pay for a 2.75% fee."

Get some business cards printed up.

All expenses and income are associated with that rental is logged in the software or downloaded from the bank account/ credit cards and I spend once a month categorizing each of the downloaded transactions.

As builders have told me, rookie mistakes.

In it, the guy talks about his strategy for buying and renting out over 300 single family homes.For the first property, he started off with around $28,000 or so from an insurance settlement, but he talks about taking out a HELOC or getting money from credit cards and buying the property in cash.Then, once that property is fixed up and rented out, get another loan from a bank on that property for 75-80% LTV, and use that cash to buy another property.

You'll also know more than most every wholesaler, practice in front of a mirror, practice with your spouse or friend, use flash cards to change things up, lots of ways to practice before putting your foot in your mouth.