Building and collecting Lego sets can be an expensive hobby, but major holiday sales make it much easier on the wallet. A huge wave of early Fourth of July discounts has already started dropping online, slashing prices on popular sets...

If you can afford to shop in bulk at places like Costco, you can save a lot of money overall compared with weekly trips to the grocery store. And right now you can save even more with a free $30 Costco...