one factor is "varmits"; critters that are looking for a place to live when it is cold, or wet, or hot, or hungry... a bag of rice or flour makes a long term meal for mice. Anyway, you might wanna do whatever you can do to make things unattractive for the critters, mice, bugs, CRs, snakes, skunks, whatever lives around there. This especially applies to vehicles... they love to build a nest in the engine compartment and snack on the wire insulation.
Some people buy a video surveillance system and monitor the place via the internet.
Some people have an alarm system that will call the sheriff, fire dept, or a neighbor is a sensor is triggered... these can also cause a false alarm which is a PITA.
You can hire a professional house caretaker to either live there or check in every day. expensive though
it's really nice if you have helpful neighbors!!!