$200k cash, $200k debt, 850 FICO, and 120k job… what should I do next

I have 2 homes, and 2 lots. (the lots are a buy and hold).

$200k cash.

one of my homes has a $200k mortgage remaining on it. the other home and the lots are fully paid off.

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in my area, apartment buildings are coming up for sale. e.g. 32-plexes for $2.5 million. i'd love to get my hands on something like that, but i'm guessing i don't have the 20% for dp.

thank you in advance.