I ended up selling my camera years ago.

Has the same 9 digits as social security number and allows someone to pay taxes that way.

Joe talks about low risk REI is but then goes on to tell us how he leveraged all he could to buy properties.....for what...small puny gains.....single digit cash flow?

I imagine these days digital signatures are allowed for contracts, but are there any guidelines as to what is acceptable or not. 

When a guest stays at one of my vacation rentals, they get a digital guest book with information not only about the house but about the cool places to go.

What program(s) do you use for digital signatures on docs?

Any other ideas to help organize receipts and digitize them in case i get audited?

If the building is only one meter it's going to be difficult to get tenants to be happy with paying for the neighbor who plays with the thermostat.There are many digital tools to monitor a range. 

I am a digital marketer, looking to passively invest in real estate.

Las Vegas is only now about to be fully recovered from the last meltdown, Property Values in most areas are still going up at impressive rates, albeit slightly slower then the previous few double-digit appreciation years though.