I know you can buy secured boxes to put near your door or use an electronic door lock (there's an enclosed porch) and provide shipping companies with the codes.

(As noted above you have a smart phone and are connected electronically to your affairs).  

Communicating on the web, with videos and electronic signing has made out of state buying possible.I found my property manager by reading Yelp ads.  

I use Schlage electronic locks on all my homes (some model and all keyed identical) and have never give out a key in 8+ years.  

You should have your rent sent electronically on the first of month like clockwork. 

I own a Custom electronics installation company #Teatrograde, so I have a system I install that will benefit me as the owner but also provides ease and comfort to the tenants that pays for itself by providing my tenants with wifi at an additional cost, competitive to the internet providers.

300+ business cards, and a way to take info down quickly, good old spiral pocket notebook and a pencil, or electronically, although I find it difficult to organize my spur of the moment thoughts electronically.

He is now responsible for any and all maintenance on the property.I pay the quarterly taxes and insurance via his monthly mortgage payment to me which is electronically direct deposited into my checking account.I probably spend 1 to 2 hours a month on book keeping on this property.

They usually have to ship out (electronic transfer) their files to another department in most cases other states where a "Remote" processor, UW Analyst, and DE Underwiter all have to review the file documents, appraisal, title etc which slows it down. 

"Merch by Amazon allows brands and independent artists to create custom-printed apparel and electronics products.