Basically, all you need is a smart phone and the numbers of persons to call or text.  

I was able to connect it to the WiFi and print from my smartphone to it. 

I have always done some notes and then scanned in receipts and other documents (now I scan everything - so all records are electronic).If you want to get fancy with an iPad / smart phone app, Happy Co is some awesome inspection software that would could do some amazing documentation with (both safety and condition report inspections).Hope this helps.

With technology now, all you need is a smartphone.

I can do all this with a few taps on my smartphone within minutes.

Must also have smart phone to take photos of work completed & text for rapid communication.

For example, whole-selling , dog-birding for a local cash buyer, look on Craigslist what comes up and keep looking, daily, twice or 3 times per day ( i am sure you have a smart phone and check your Facebook more than you check for deals online).

These units also don't have a lot of outlets to accommodate the many smartphones, tablets, PCs and wireless gadgets make up part of every day life for professional white collar workers buy tons of power strip outlets to plug them in  is a fire hazard violates City of Chicago building codes .

Information is readily available, whether via your smart phone, PC at home, tablet, you name it.

I have one that I can call on if need be, recommended by my housekeeper, who was recommended by my realtor.Other systems that I use are the smartphone apps for booking.