While in college I started and still run a summer storage company for college students. The problems associated with it were primarily customer service and logistic based for dealing with people stuff. I can't imagine it was much different from generally having to do customer service for a tech company, just different fields.
There is a lot of money it, considering that parents usually just pay for it, but me and my cofounder decided are taking a humane approach to it and trying to not rip off students.
A bunch of the big companies charge upwards of 50 dollars for a box that is about 2x1x1.5 feet. I realize business is business and that people are willing to pay that much, but it's nice being able to half those people's prices and still make a good profit.
We're looking to expand and maybe go head on with a bunch of the companies.