I suggest finding an online bank that gives high interest rates.

(G) Acceptable forms of payment of Rent (including Additional Rent) are ___ personal check, ___ cashier’s check, ___ bank check, ___ money order, and ___ the following online/ACH payment methods ____________________.

If you don't get access to the property before closing it can be tricky but if there are recent photos online or you can walk through before and take your own then it is much easier.

you can find all the info online"...it's like, no sh*t you can...all the information ever is online!

Are you currently working on lining up funding or looking at potential properties yet? 

Behind referral on on-line sources like Next door, Google review, FB marketplace, etc.  

Instead of piecing together information from random online sources, you get a cohesive learning experience.4.

I'm looking to do a cash out refi on a duplex I have, but I cannot find any reviews online or much of an online presence for them.

The "online leads" trend becomes a vast pool of scams, each one discovering a new and "better" way to find motivated sellers via SEO/Paid adds/Social Media etc, and automatically aims to make a profit from selling those so-called leads.

You can also use online resources such as City Data to search demographics in the area.