2010 Dodge Journey with transmission problems

I BOUGHT MY CAR DECEMBER OF 2010 AND SINCE OWNING IT HAS BEEN NOTHING BUT ISSUES. I DID HAVE SOME THINGS FIXED RIGHT AFTER PURCHASE AND OTHERS THEY SAID THEY SAW NO ISSUE. MY VEHICLE KEEPS LOOSING COOLANT AND WAS OVERHEATING WHICH NOT BURNT MY RESERVOIR, MY CAR DOESN'T ALWAYS START WHICH HAS HAPPENED SINCE [...]