I am in the same boat, currently have 3 properties. tweak your strategy a little, and you can grow faster, maybe leverage more / find a partner so you can start the BRRRR method sooner than later.

I am still constantly tweaking the process to make it better.If you are not confident, then perhaps partnering with some more experienced can help.

In a traditional calculator you enter them, but they aren't visually in front of you as you start changing them.Once I got this for my phone I started punching in numbers and then started tweaking the deal by changing one thing or another.

Doing over 200+ flips and wholesales a year has definitely given us a solid practice field to implement and tweak J’s ideasEssential REI Business LessonsThe biggest mistake you’re making in your life today is not saying “No” enough.Many of us want to do everything and therefore we say yes to everything.

But Rental comps and can tweaked to give you the exact information you are looking for... you can filter by house size, age, sq ft, radius, homes rented last week vs last month vs last quarter.

. ;)Just tweak it some. 

Do they typically have generic contracts that can be tweaked? 

And doing it this way you know all the formulas and how it works so you can make tweaks if you need to.

Depending on the requirements of the property or the client usually some minor tweaking is needed, but overall I've been extremely impressed with them.  

Get some skin in the game and tweak your strategy if you need to.