DVD player problems......help!

we've had quite a few portable dvd players over the last 2 years.. We've returned 3 of them due to Mechanical failure. They were all different ones, and they all had problems. (one of them was stolen). I would return it, buy a new one.. and here are some tips
1.Never leave it in your car.. it can get really hot or really cold in your car, and the player isn't made to sustain those temps, and as we have found out, you are just tempting the drug addict down the street, to break in and steal it..*sigh*
2. Make sure you get a quality case for it, that supports it in the car, the cheap cases that come with some of them, just won't due, as they don't really support the base, and sometimes you'll have problems (like we did with one of ours) of the screen becoming disconnected from the base.
3. Don't leave it plugged into your cigarrete player all day unless no power is flowing through it when the vehicle is off.
I hope this helped, always keep your reciept and try to remember to fill out the warranty info. The one we have now is lasting quite nicely, although we've really only had it for 2 months.. We try not to spend too much money on them, because they break so easily (i've heard the same about the most expensive ones as well...). The last one we got at BIG LOTS for 50.00 (it was on clearance, plus my hubby's store discount). Good luck!