Wp + plugin wooooooo
Then use a plugin for wooooo for aliexspress that easy ....
Use amazon for heigh selling products match them on aliexspess then set your price when sold contact aliexspess send them out ...
There more plugins to do the aliexspess direct mailing for the product to be sent , there even plugin to do the shipping and boxing ....
If you can afford it there a user on here thaf was selling a full drop shop package all i one .
Use the search ..