This Instructables shows you how to put very robust wheels on the case that will allow you to easily haul the canopy just about anywhere.
Step 2: Gather Materials
2 large wheels. I used 10" pneumatic tires from harbor freight. I got them on sale for $4 each, but you can usually find them for $5. They have built in bearings, run smooth, and are easy to use for DIY
About 18" of 3/4" PVC. I happened to have this lying around.
About 24" of 5/8" outer diameter tubing. 1/2" copper pipe works for this. You can also get anything that is 5/8" out diameter. I used all-thread this time.
2 cotter pins or bolts (if you use all thread)
2 bolts and nuts, about 4" long
Step 3: Make Axle Receiver
Put your PVC tube up against these legs and make a mark on the pipe to mark the centers of the legs.
Cut the pvc pipe to wider than the bag itself. Make sure you give plenty of room so the wheels don't wear on the bag as they rotate.
You will need two drill bits. One of them needs to be larger than the bolt head and the other needs to be smaller than the bolt head, but bigger than the bolt shaft.
Drill the large holes on your marks first, then drill through the center of the hole with the smaller bit. This will allow you to put the bolt through the PVC like show in the picture.
Step 4: Mark Holes for Drilling Legs
Bolt your axle receiver to the legs.
Step 5: Cut Axle to Length
Step 6: Final Assembly
Note how much easy it now rolls!
Note, this method works on all sorts of other things, like coolers.