I watch a fair few videos about video games on youtube, and a while back I started to notice that many people in those videos used "costed" and "casted" for the past tenses of "cost" and "cast. I'm familiar with the use of "costed" to mean "having a cost assigned", e.g. "The pineapple was costed at $10 per kilo." But not in "The pineapple costed $10 per kilo." I'm not familiar with any traditional use of "casted", and as I write this, it does get the red squiggles of disapproval. I might add ...
