If you are just looking for principal protection assets you can do a lot better than empty houses, if that's what you are doing. 

And, the longer you wait to act, the longer the squatter stays - and even gains some legal protections to stay while your waiting on a slow court system to act on an eviction. 

Use tax benefits like depreciation, repair deductions, and tax-free refinance proceeds to offset income, and consider an LLC for liability protection.

if you buy a random property in a neighborhood you've never been to and turn it over to people you don't know you'll just lose money.not trying to be negative, trying to protect you and your hard earned cash.

It’s clear you had a sharp eye for opportunity with this duplex, especially given the prime location and potential for adding value through additional bedrooms.

A high CTR is great, but if it’s not turning into bookings, it’s not doing much for your bottom line.Another key metric I’d keep an eye on is the “First-Page Search Impression Rate.”

How we protect our buyers is with the inspection, appraisal and financing contingencies.

It might seem like a kindness to provide a printer to a traveling professional, but until they invent one that works on every device, every time; that doesn't need paper at two in the morning; and has cheap toner that refills itself, we will pass on that amenity.I am sure there are other examples for all 4 quadrants, but like @Allen Duan wrote the important thing is to look at amentities through the lens of the end user (with an eye towards the "competition").

The later is critical to protect your investment.

Picture the BIGGEST graveyard in the world, stretching as far as the eye can see, horizon too horizon.