The Travel Hack challenge: find a carry-on that would pay for itself in one trip in lack of checked bag fees.
My pick was the WalMart Travelers Polo & Racquet Club
TPRC 20″ Spinner Expandable Rolling Carry-On – Black
https://www.walmart.com/ip/TPRC-20-Spinner-Expandable-Rolling-Carry-On-Black/352941684
A close version sold on Amazon has a pocket and a USB side port for easily charging your phone:
https://amzn.to/2MXagGL
Shot on OnePlus 5.