Thank Don for your kind reply full of expertise! I will do as per your instruction. By the way, did you mean to switch the wheels between the left and right by "rotate left, right"? Thanks again!
Check tire pressure first, which is easier. Then check if tires have same
worn. If worn not same, rotate left<_>right. Then check the brakes have
same worn. If all same or balanced, then go to Canadiantire to do
the alignment. Which is $50 plus tax.