Are there sharpie markers in Costco or no

Yes

Yes, they carry them

Yes, there stock that.

Yes they do. Hugw set with different colors.

Yes, they do. Once saw in a whole bunch of colors

Yes, i believe only in black. During the start of school they might have more of a selection or u can try on line.

Yes. But online order will have more options.

Yes but only black!