A year or so ago I purchased a Tradition 3wt fly rod kit from Hook and Hackle. The kit came with everything to build the rod including a reamer for the cork handle. I really love that rod! Is it "top end?" No but I'm happy with it.

They have these kits in 5wt (according to their site) for around $73 for a 4-piece or around $100 for a 7pc pack rod.

My suggestion would be to buy this kit and build the rod. Whether you end up liking the rod or not, you won't be out a ton of money and then you can decide if you like building rods or not. You'll end up with a rod < $100 and then you can decide if you want to pursue rodbuilding further.