oil change

Hi Everyone, I am thinking of doing my own oil change from now on.....any tips and tricks you can share? Try to look in Youtube, but can't find anything that is complete or detail. First of all I am trying to find the right oil..... The manual says get Mobile 1 Dexos, and the weight I found...

I'm particularly interested in places North of or just below I-78. Going to need that first oil change soon. Paramus Chevrolet popped up favorably a couple times in a thread on another forum, but nothing recent.