AliExpress is a big and known platform that connects Chinese vendors with dropshipping online stores. Popularity and a huge range of products with different costs are key features which attract buyers all over the world.
However, each medal has another side and AliExpress and not an exclusion. If you're an experienced buyer, you have already faced with some cases and know the marketplace from different perspectives. And as there were no alternatives with mostly Chinese vendors till now, in addition, there are instruments like an extension for importing, for instance, you may not just "live" with that but make a really good business.