Samsung 75″ Class QLED QN75Q70R $1,997.99 with $639.04 back in points 10/31 only – Rakuten (Electronics Express) $1358.95

Thinking about pulling the trigger on this. I’m not very familiar with Rakuten points or Electronics Express, but $639.04 back seems considerable.
https://www.rakuten.com/shop/elec…/QN75Q70R/
Thoughts?