There are many things you can use your bugs for like you can use them for buying new clothes and magic.
You can also use bugs to buy instruments and you can use bugs to decorate your houses and upgrade your houses too.
If you want to buy clothes that are very expensive you should save up for it and not spend it on unnecessary things.
You can also use your bugs in the cafe to buy drinks.
You can use your bugs to buy robots , to upgrade it and also to repair it.
You can also use your bugs to buy pets.