If you're in to high dollar hits, in general go for the boxes that sell for the most.
By and large it's proportional.
Opening Day is 99 cents a pack because, well, the singles are not really worth anything.
National Treasures, however, is hundreds of dollars per pack or box or whatever because of what you can pull out of there.
Check out cardboardconnection.com, they do a great job of listing boxes by price, and they also have the checklists of all the insert sets, including autos and what not.
For the high dollar/most popular cards, they also usually include an eBay link to those listings so that you can see what they are going for.
By and large it's proportional.
Opening Day is 99 cents a pack because, well, the singles are not really worth anything.
National Treasures, however, is hundreds of dollars per pack or box or whatever because of what you can pull out of there.
Check out cardboardconnection.com, they do a great job of listing boxes by price, and they also have the checklists of all the insert sets, including autos and what not.
For the high dollar/most popular cards, they also usually include an eBay link to those listings so that you can see what they are going for.