This was really broken in the fruits of march update (the one before the current) and it survived that entire update and the current update without getting patched, the only thing they changed about marketable is decreasing its xp increase from 5% to 3%

Before the SPREAD THE LOVE update i used to load up a modifers run with marketable and liquid mistakes everytime (when i was playing the game casually) for how much fun i was having with the trimp thing with these modifiers, my number 1 concern about them is are they allowed on the modifiers% and/or highest saferoom? While yall have cleared up some things, im still not sure if they are truly allowed or not (im asking this because after i get the confirmation im gonna give the highest saferoom category a try) If you dont know, the liquid mistakes modifier adds tar to some rooms and every single tar room has a trimp spot, and because you're jumping out of the tar without slowing down (when sliding with marketable) you can use this to basically "fly" very high up and get easy wallkicks with crazy speeds.