There are no skill points in 5e.Skills are a binary system, you're either proficient in a skill or not.Let's take Stealth as an example. If you're proficient in stealth, your stealth modifier would be Dex + Proficiency Bonus. Someone NOT proficient in stealth would only add their Dex ...
You gain the bonus again every time you level up and get more hit points, so over the course of your character's career, a healthy bonus can make a big difference. If you've got some points left over and aren't sure where to put them, you can't go wrong bumping up your ...