People tend to make collections, and often start collecting very young. In my case it was, back when I was a child, bottle caps and trading cards that I collected. Those collections were possible because I could afford to spend one cent, the price of a trading card that even came with bubble gum, or to simply pick up bottle caps which were free. Another good place where some children start is with pennies, which can be taken out of change.
Adding to the collections I had basically consisted of buying trading cards, playing games to win other trading cards, risking those in poor condition to that I had multiples of, and of going on a picnic and finding bottle caps on the ground which came in great variety. In those days all soft drinks and even beer for home consumption came in bottles exclusively, and when a bottle was opened in a park people rarely reached down to pick up the fallen bottle cap.
Of course childhood collections, while easy to make and very inexpensive, are usually unacceptable to adults. Adults still enjoy collecting, but the collection itself often involves more costly items. And, even if a collection is being made, many collectors diversify into other collecting interests diluting their available funds for their first collection. There are people in a local coin club that collect a multitude of different kinds of items, with coins being just one of their many collecting interests.
Collecting has an enjoyment aspect, and when you read about collectibles, go to shows, or simply go to yard sales or flea markets to pursue our hobby you will find a pleasant experience which can be a form of entertainment.
The introduction image is one we have taken. It is of Mardi Gras Doubloons.