Yes, there are several GPS systems available that will easily track and give many reporting features. Take a look at www.findvehicle.net they have a great system.
There are a few kinds of rental property software. The most common type is a mapping software that indicates locations of properties and can store information about each one. This is especially helpful if the owner has many properties to keep track of.
GPS, or the Global Positioning System, was invented in the early 1970s by the United States Department of Defense. The system was developed to meet military requirements for accurate positioning and navigation. The first GPS satellite was launched in 1978, and the full constellation of satellites was completed in 1995.
Keep track from where though?
He keep track of the stars' postitions.
"We use a spreadsheet to keep track of our expenses."
Your best bet is to keep track of the days that you start and completely stop. If you want to find the average duration, keep track of the flow as well.
You may have to keep the landlord's items in your rental property. Information regarding this should be discussed in your rental agreement.
pickles keep track
Meteorologists keep track of tornadoes.
Track my shares?
Devisce used to keep track of solar time
maybe to keep track of recipes, digitally or keep track of menus and stuff