This will also allow you to avoid taxes on the sale.

The houses would be looking at I'd imagine would be about 7 to 800 k taxes would be about 4K hire a year.

Property taxes are 650, insurance 160, outsourced property management takes 10% of the rent, and another 10% of the rent is set aside each month for future repairs. 3750 x 0.8 = 3000. $3000 profit, minus about $2300 in mortgage, property taxes and insurance leaves about $700 cashflow, when I move out.

example:Purchase Price: $70kRehab: $30kARV: $200kRent: $1,500I can pull out up to $150k but with taxes and insurance I’d be in the red.

Do I just have to go by the actual numbers like revenue from last owner and taxes?

Let's assume your expenses (mortgage, taxes, insurance, maintenance, vacancy, etc.) comes to a clean $600 and the property rents for $1,000.

Investing in a mortgage fund should not have tax implications for your Roth IRA since the investment is passive. 

Everything comes with a risk but I want to hear everyone's opinions for both states in the long run, thanks in advance It really depends on your style and goals and type of investing.I invest in multiple states and there can be some substantial differences.First decide if you want to do Flips, Long Term Rentals, Short Term Rentals, Shared Housing, Multi Family, Land, Tax Deeds, REITs, Syndication, Commercial and then decide. 

From a tax implication standpoint, it can be tricky but if done correctly, not a problem.

If your not ready to spend money on a software you can use tax records.