I think Linus recently mentioned (probably on LAN show) that they are positioned soon to make more money from merchandise than what their YT channel generates - because of their huge drops of the new backpack and screwdriver.
Simply Nailogical did the same thing as did a ton of the beauty vloggers
Christine (host) now sells what appears to be a very successful boutique nail polish line. So successful, she and her SO basically spend more time BSing with their fans (customers) on YT Live and Twitch than making new content