A+ on the buy Craftsman.
Now I may be drummed out of the Garage Journal for writing this, but I would just use the Craftsman tear drop ratchets until you get the other tools you need.

They're not the best ratchets by far, but they're not total garbage as some people make them out to be. I use mine on a regular basis and they do ok. They are the least favorite of my ratchet brands but they work. The 1/4 inch ones are pretty good imo.
I told two of my employees to take apart some portable barricades at our gym a couple years ago. They were held together with 3/8 diameter bolts and the bolt threads had been banged up. I didn't have a thread chaser with me so I told them to try to get the nuts over the threads and if they couldn't, I would cut them off the next day.
I made the mistake of assuming these guys knew to use two wrenches to do this. Instead they used a wrench and a 1/2 inch C-man tear drop ratchet. They ended up breaking the bolts to get them off. Granted they were just 3/8" bolts from Lowes, but aside from banged up threads they were in pristine condition and they broke, not the C-man ratchet.
I bought my sockets and wrenches in differet sets. Too often the kits give you too small a selction of of both and you have to buy more and end up paying for duplicates.
I would also make sure the sockets contain a 5/16. I use that size as much as any other one I have.
Coach