On your way home from that purchase, stop at your insurance agent and make sure your life insurance and disability is up to date
I'm not a rope snob, or climbing geek. But even
I know that using this rope to support your fragile body 12-20 feet off the ground is a Bad Idea (tm).
That rope talks about a 2200 pound tensile strength and 220 pound working load limit. I'm not even doing the fall/shock-load math. Just compare that to a professional climbing rope stats: Samson's Predator rope (standard issue with a kestrel harness) has an ABS (average breaking strength) of 6,000 pounds.
Tensile strength is the lab-average breaking weight of the rope when brand new. Working load is usually 10-15% of that. Now consider that every time you tie a knot in it, you lose a huge fraction (35-50%) of that tensile strength. 1 knot in a 2200 pound tensile strength rope means you're down to 110 pounds of working load.
No thanks.