Most of the population have some type of smartphone or laptop. 

I've tried setting this up from my laptop, iPad and iPhone.

Also, after issuing the notification, perhaps monitor their specific section of the property, and gather intel on their doings (people coming and going, boxes/packages/backpacks/duffelbags coming and going).

Laptop/notebook computers allowed only if operated on battery packsIf you buy a tax lien certificate and then later want to sell to a new investor, (called "Assignment of a tax lien certificate)  there is a $100 fee to assign the certificate to the new investorThere is a short window of time for you to register and you'll need the proper documents.

then, pick up the pieces, tote them in, and glue them down.  

I'm an avid highliner(slacklining high between mountains), rock climber, backpacker, and open to almost anything relating to outdoor recreation.

My boss can work from his office whenever he can, and I can work on my laptop in my jammies at 4:00 in the morning if I want to, with my dog on my lap.

IE door knocking but in the rural areas you can imagine how spread out the doors are LOL.. cell phones had just come out his bill would be 1k to 1500 a month.When I came on the scene I said Steve we have to get you out of scout mode and put you in closer mode.. ( the absolute best closer I have ever seen period ) so lap tops had just come out..

From sitting on the other side of the table, I've seen realtors and leasing agents do terrible things with rental application data, including selling me a laptop loaded with bank statements for student co-signers after claiming they had securely wiped the drive of all such data. 

Telling folks how WE did this and that ... we even had the laptop out with before and after pictures of all of us working at different stages.