Which cylinders vacuum cleaner is the best to buy for home cleaning?

I gave up, it is hard to find a good dust cleaning. I bought 3 and after less than a year I threw them in the trash because they are spoiled and were not strong enough. Why is it so hard to get a normal vacuum cleaner that last?

Maybe you have any recommendations for firms or what I should check vacuum to know that it is strong enough. I have a dog so I need to clean his hair falls around the house.

I heard about Dyson, but it’s expensive. Is it worth the price?