What will be the most manageable hair cut for hip length hair which can be done at home?

my wife's sister has very long hair to her hips which she finds difficult to manage. She wants to have a easy to maintain haircut at home. Pls suggest me the cut.What will be the most manageable hair cut for hip length hair which can be done at home?
Your wife's sister can sell her long hair at: http://hairbuyer.com