All you need are local vendors you know...with texting and internet, and good tenants.  

Unfortunately, there are so many concerns regarding internet safety issues.

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. 

They have bots that look for every piece of furniture on the internet, create a listing for it, and then have it shipped if you buy it (often at a 2-3X markup). 

I've listened to some "internet gurus" talk about being able to pay more for a house (through subject to) than its currently worth because of how much the backend value would be. 

They will do things like compare with public records/Internet records.

You have to know your state landlord-tenant laws; they are on the internet:"In New Jersey, a landlord may need to give a 30-day notice to pay rent before eviction if the tenant has a history of late payments and the landlord accepts them.

Newer buildings now have state-of-the-art amenity packages with pools, gyms, co-working spaces, high-speed internet, and community gathering spaces where savvy property management groups will have apartment building events to encourage this sense of community, all being a level of convenience and neighborhood community people cannot get anywhere else.

From internet search/Turbo Tenant:  'In certain instances, breaking a lease in California due to a medical condition might be possible.

You’re going to deduct your tax prep, your internet, your cellphone, your computer, your tablet, your mileage if you’re involved in the properties, your home office, etc etc.