Method of choice was looking for potential properties online using redfin then when I had run simple numbers I would drive by each property and its neighborhood and if it was worth pursuing, I would schedule to see the property through the selling agent.

Conducting a thorough property inspection or consulting a contractor can help identify potential large-ticket items you might need to replace soon.For make-ready costs, you can look at local averages for common turnover tasks like repainting, carpet cleaning, or minor repairs.

We fully renovated both units, improving the property’s value and rental potential.

.$100k can potentially be deducted as replacement debt. 

I would see what the potential fees would be for refinancing though.

Potentially get paid to live at your own home.The confidence grows with the reps.Best of Luck!

Plans for what you're building will be key - it's too vague and open right now for someone to advise you on potential cost. 

Not only can you collect rent to go towards your mortgage, you're also building equity that can potentially be used down the road for your next home or investment.

EDUCATE YOURSELF - yes, it will take time, but will lead to a selection that better meets your expectations & avoids potentially costly surprises!

Instead of jumping into an expensive Long Island market with negative cash flow, consider investing in a Texas market like San Antonio, Houston, or DFW suburbs—these areas offer strong rental demand, lower property taxes than NY, and better cash flow potential.