Comparison of W-2 income to Rental Income

[Benjamin Allen]

Hi, I saw post mentioning that the rental income isn't taxed the same as W-2, I'm wondering how I can go about figuring out exactly how much positive cashflow I will need to equate my current income of 65k. I know rental income isn't responsible for paying medicare tax or SS tax. Does anyone know how I can break this down in order to figure the minimum amount of cash flow i need to replace my income, or does anyone know of a website I can do this. Also just as a side note, if right now I'm saving over 50% of my income doesn't this bod well for me not needing a higher amount of cash flow that what I make now? Thank you for anyone that is able to shed some light on this confusing subject I appreciate it.