I came across one of these loan agreements online somewhere a few months ago, can't recall where I found it but it was clear in reading the loan agreement there was no language referencing the loan actually encumbering real property, it was just an unsecured loan.  

I use QuickBooks Online for all of my clients.

I offer an online payment portal to submit rent payments via ACH or CC - they "couldn't figure out how to use it" so I set us up to accept Zelle payments.

We use DealCheck to underwrite deals and QuickBooks Online for everything related to accounting and budgeting.

You can also check their reviews online at Google, Facebook, or Yelp.

On-line Auction Foreclosure Website.

Quote from @Zach Howard: Quote from @Jonathan Greene: If you are looking at properties in the US only on Zillow, and not seeing them in person (I know you are in Hong Kong), this is just an effort in futility because you can't underwrite single-family or small multifamily deals only online.

I am currently working/studying on getting my RE license online.

You add your coverage yourself online and can see all your properties listed on one screen to manage them.

They will have additional costs for mailing & online campaigns to get leads.