I have thought (never tried, though) that large shipping costs in Aliexpress are indicator that supplier wants to discuss the true shipping cost with buyer.
Note also that at least in EU you need to add customs and VAT. And you can't expect always getting top quality if you order the cheapest you can find in Aliexpress.
Again, in EU, it might be easier to buy e.g. this:
Good place to start looking though.