How fast do ufc shows sell out on average

Ufc coming to vancouver for first time in years, tickets go on sale tmrw and im wondering how fast they are usually expected to sell out, im sketchin it will sell out in the first day

Its not a very good card tho, so I think I will be ok Phone Post 3.0

$70 for nosebleeds upper balcony last row.
Card is not worth the price wait it out Phone Post 3.0