How to invest cashflow

[Joshua Kohl]

I’m under contract on a duplex. I have about $7k in capital reserves for maintenance/repair/vacancy and I should be cash flowing $423/mo. I don’t see this as a property that appreciates so I’m wondering whether I put the $423 in a money market account for my next buy OR pay down principal on the duplex and then cash out refi if I need the money for another buy. I wasn’t planning on purchasing another property until 2021 and am trying to maximize returns on the $423. Thx