If you have the cash, then buying cash is less expensive and easier. The exception is if you can use that cash and make a great income from it then the mortgage you may pay, get a mortgage, This is where you should ask your cpa and your buyer broker who both can outline costs or savings of each... more
Steve had some good information for you. I'd recommend that your first step be figuring out what your goals are- do you want to make money now or work on getting the properties paid off quickly so you can make more money later? Either strategy can be good.
Then you'll want to figure out your pricepoint, get preapproved, and get in touch with a local realtor who knows about multifamily properties. If you're looking in St Louis, I'd be glad to help.
Wintrust Mortgage, St Louis