You will not find a free platform that will do that, but I would have all funds go into a savings account and then just each monthly do it yourself.

They're never going to share that info, however.

So should I ask about loan options or save that for deal talk?

Absolutely save money for reserves.When I first started in Real Estate investing, I reinveted every earned dollar back into the business. 

Was looking at DSCR so it was easier than compiling so much info on our personal finances. 

Starting as close to where your experience lies as possible will save time money and headaches.

Save cash until then for the lot.

You can look into bundling the properties into a blanket portfolio loan to save on fees and closing costs.

A lot of people can swing the 6% on a permanent basis, but not in years 1 and 2 when they have to buy all the "accessories" that come with a new home, like the new furniture, the redone kitchen, landscaping the yard, bla bla bla.By frontloading the monthly savings into year 1, poof, we've created a furniture budget. 

They are Fantastic and have saved me a bunch of money.