The tenant usually needs to have a bank account or credit card to make this work. 

IRA, Stocks, Credit Card, Cash from my RE commissions How did you add value to the deal?

Sometimes you can use your credit card to get enough money to do the transaction when first starting out or borrow a sum of money form a family member. 

A few basic items that helped me in the past may help you as well.Conserve all cash possibleLeverage down payment programs if you can to offset the initial investmentIf you're able to, get roommates lined up to further reduce the upfront costGetting roommates can improve cashflow and the ability to re-invest in the property in the near termMake sure your credit is in good shape--a great score makes a difference on interest rates and that make a difference on your monthly costShop your title & escrow companies--they don't all cost the sameShop your mortgage--don't let anyone tell you they can't give a quote of their fixed costs and associated costsResearch credit cards that you can easily get AFTER you close on your house so you can take advantage of cashback programs or points programs from your new expensesTake advantage of opening a new savings & check account at a new bank--a pain in the butt, but the easiest way to find an extra $400-600 usuallyHope this is helpful to you.

At the same time, there's a rise in unsecured consumer debt such as debt consolidation loans, credit cards, and retail accounts. 

3% is high since they already charge a credit card processing fee of about the same amount.

We pulled a tax roll and send post cards to out of town owners to generate listings.

No other credit card, student or car debt.Will a mortgage broker look at the finances and say no, you can’t afford both your personal rental and an investment property since combined they become over 43% of income?

I have a friend who flips houses and is also a realtor, where he can help me in finding good deals and I can hire his contracting team to do all the work.I don't have cash required for a flip, so I was thinking maybe I can get a credit card with 0% interest for 12-15 months.

In that case, I would highly recommend looking into 0% APR business cards!