I sent 2 requests for payment through cash app (that’s how they sent payment before) but no response.

Depending on the bigger picture of this investment I'd recommend that one of you (perhaps actually both of you) read Brandon Turner's book about getting started in Real Estate investing:https://www.biggerpockets.com/...Duplexes are basically single family houses, except less desirable when compared apples to apples, so all of the basic info about general real estate investing applies to duplexes, triplexes, and 4-plexes with that important provision. 

I like to keep track of my tasks using an app called Todoist.

Apples to apples.

If not, what app do you recommend to scan receipt and categorize expenses?

I’ve heard brandon mention an app where you can take a picture of a house and mail the owner directly from the app.Anyone know the name of it?

I'll definitely look at this Cozy app.

Compare apples to apples.

I did the podio thing, customizing, automating, connecting apps.

You might want to identify the area that you want to buy with a pp of 40-60k, because its not going to be within a half hour of raleigh.