The money borrowed from your equity comes with interest, then you have the new mortgage with interest.

Well even if the rent is equal to the mortgage, you'll still be in the negative after repairs, CapEx, vacancy, etc.Why would you specifically be thinking of investing at a negative cash flow?

Normal mortgage rates are in the high 6's now, for a personal residence, and higher for an investment property. 

For the property I purchase, I’d like to keep my monthly mortgage payments at $2,000 or less.I prefer a turn-key property since this is my first rental, and I want to start generating monthly cash flow immediately without the delay of repairs or managing two mortgages.

-----------------------------Today’s Interest Rate: 6.93%(👆.21, from this time last week, 30-yr mortgage)-----------------------------Today we’re talking: housing market, interest rates, and a quick update on my latest rehab and rent project. 

Explore Potential Funding OptionsPrivate Money Lenders (PMLs): Reach out to private individuals looking to invest in real estate.

I did the math and could cover the mortgage solo if needed.

If this is not something you're interested in delving into and learning to a high degree, then investing in publicly traded REITs would be another good option for you, which have historically returned about 13.5 per cent Per year over the past 50 years (1977-present), beating the US stock market by two per cent and even beating private real estate investing by 4 per cent (that's compared with the average real estate investor, not the experts here at Bigger Pockets).

@Charles Evans, definitely keep all paperwork associated with your tenant (lease, receipts, etc).For expenses that are not split per unit but are for the entire structure (utilities if not separately metered, mortgage interest, etc), keep a record of those payments so your tax pro can deduct a percentage of them for the unit you're renting.

I see people without capital no experience or capital being taught to “help” desperate homeowners by tying up their property in a contract they have no way to successfully close without finding someone to pay more; costing the homeowner behind on their mortgage payments to lose valuable time that can easily lead to foreclosure; I see a program taught to students to take over a property ‘subject to”, leaving the seller unable to qualify for further mortgage financing, responsible for a loan secured by a property he no longer owns, and all held together by someone with 0 experience, limited or no capital, and no liability.