Buying a 3-4 family to house hack in houston coming from NJ help

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Hello,

i am planning on moving to Houston in the summer im from NJ. I will be using an FHA loan, my goal is the following

1. positive cash flow

2. instant equity 20k to 30k

3. live rent free

what are some good areas for positive cash flow areas? and which areas should i not? what should i know about the taxes and how things work there.