Cheapest online store?

it is sad that all the phone is expensive hope someone can buy me one

you can try banggood

Ali Express or Conrad for electronics parts, or Ebay... :D
For the games : G2A

slickdeals routes out to a lot of good stuff. I use 6pm.com too

Hmm probably aliexpress? Miniinthebox is cheap aswell, but sometimes junk

I've heard good references of Ali Express.
What about eBay?

Does all of this really works?

I use gear best, geek buying and deal extreme. occasionally I use aliexpress

Gearbest is good or aliexpress for china product and tomtop

Then there are banggood, efox-shop and tinydeal...ever heared about the panda search? It is a search engine for china products from different stores. You can sort there by price, to get the cheapest offer.