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.

His work products and many others can be found with simple google searches for free online.

In online forums, the danger I've experienced is the "national" effect. 

From it I have obtained the name of another competitive insurer to add to my arsenal.I have not used Opie, but after reading the posts here, I went online and obtained a quote for one SFH rental.

The internet books  Morby the sub 2 guys the market for this is quite thin.

Each market, each submarket and each mall will dictate the use of this space.I don't think online shopping, per se, is killing malls.  

If you aren't an excel expert I wouldn't bother trying to make your own or scour the internet for an analyzer tool that may or may not meet your needs. 

Assuming your property is in Utah (like your profile indicates), here's the state law from a basic internet search:In Utah, a tenant who abandons a rental property without notice is liable for the lesser of the following: The rent remaining on the leaseThe rent plus the difference between the fair rental value and the agreed-upon rentThe cost to restore the property to its original conditionThe landlord can also remove the tenant's belongings and sell them if the tenant doesn't claim them within a reasonable time.

Everything important to me is done online.

tried real estate investing many years ago, before the internet era.