Here's how to make this pro looking gopro pole mount from materials that'll cost you under £8 !!

Step 1: Step 1 - Prep

First, take the PVC pipe and cut it down to your desireed size. The size I used was about 460mm. This made it sturdy and easy to hold and move about. The gopro view from this distance is also pretty decent.
Next, sand down the pole and remove any form of grease or dirt. The surface needs to be prepped for spray painting.

Step 2: Step 2 - Paint

Next, I applied 3 coats of matte black paint. Just under £3 from B&Q. I left each coat for about an hour to dry. Ensure you spray at least 20cm from the surface and very lightly to avoid running of the paint. The pole was left for 3 hours after the final coat.

Step 3: Step 3 - Mount

I took a spare J hook mount I had from my gopro gear and unscrewed the hook from the base. I then out the hook into the end of the pvc pipe, The 19mm pipe was quite sturdy without glue. I then used hot glue to cement the hook in the end of the pipe. To make the hold tighter and to make the gopole waterproof, use silicone to block up both ends of the pipe.

Step 4: Step 4 - Grip and Stickers

I purchased a tennis racket grip for a sports shop (sports direct to be precise) for about £2. I then wrapped it up the base of the pole to a comfortable length and then wrapped back down on top of the grip to give a wider grip and to make it spongier to reduce shake when filming.
I then used a gopro sticker to make it look more professional.

Step 5: Step 6 - Fin

And there you have a finished gopro pole mount!
Extra things you could add would be varnish or a clear coating to preserve the paint for longer. And maybe a landyard to prevent you from dropping it.