When I am not in home, my pets get bored. I need some advise what toys or accessories I can get for them to keep them happy. I have a budget of $50

I was just looking at a pic here and noticing all the dog toys surrounding the cute Golden. Then I looked around and saw that I have a ton of toys on the floor. Purple stuffed parrot Lavender stuffed animal (type not known!) Blue ball Small teddy bear Tennis ball Nyla bone Red stuffed doll...