If you click on the chest where you bought the item, you will see four things 0/1000 next to them. You need to join a guild and get others to improve your stuff before it’ll show. The improve button can be seen when you click on any shopkeeper besides your main char
Starting guild for those who are beginners through to experienced players. You’re welcome to leave when you get to a higher level if you want. This will help people level up and be able to build things!