I would want to be able to teleport myself to other places, or anything I can think of to me. I'd be able to teleport others as well. I'd start off with a few known terrorists and teleport their sorry asses into deep space.
If I wanted a rocky road ice cream cone, I'd think of it and *POOF*, it would appear in my hand! Need to go shopping but have no desire to leave my house...well easy...*POOF*, a new pair of shoes and some awesome clothes. I'd leave the money in the cash registers to pay for it.
If I felt like giving money to the poor, I'd poof myself into a drug lord's vault and take their cash and give it to the poor. I'd poof food and medical goods to nations in need and redistribute wealth and achieve balance in the world.
Need a vacation? No problem...*POOF* and off I go to some gorgeous tropical place for an afternoon. I'd take all my best friends with me. Oh if only....