Sometimes it's the other way around. Lockers for packages were first introduced in Germany (Packstation) then they were rolled out in the US almost a decade later.

Not having a lot of credit cards and the associated rewards is actually healthy. Research has shown lower social classes "pay" for the rewards due to paying the higher transaction fees. There was actually a relevant thread here a few days ago https://news.ycombinator.com/item?id=49432201 (How credit card rewards became a $9.2B wealth transfer)