If you are not planning a trip for more than a few days, you can usually pack everything you need in your hand luggage and personal items. On longer trips, you may need to put all your clothes and other items in a bag, but that’s a topic for another conversation. If you plan your packing well, you may not need to check your bag at all.
This can potentially save you a lot of money on baggage fees as many airlines offer passengers free hand luggage. However, even airlines that don’t offer free hand luggage do offer free personal items on board. But since you literally take both of these types of bags with you on the plane, many people get confused which one is which.