SocialBlade's a bit wonky, but basically the lower number is the estimation for earnings without Ads (and depending on how many years the channel has been there for, the estimated earnings of the beginning years(not in Amber's case, though)).That is a pretty large range for what she could be making. She isn't making hundreds of thousands a year, I give her maybe $40-50k a year. More popular Youtubers also use Patreon because Youtube doesn't pay much, then again they also don't stick in as many ads as they can in a video, but I'll hold my position that she isn't making bank on Youtube.
While that still doesn't mean she's 100% earning over 100K, I'm quite sure she's doing very well financially. If she wouldn't spend most of it on useless shit.