Cheapest I have seen, a few options of bottle or packet.
https://www.amazon.com.au/Extra-Peppermint-Sugarfree-Chewing-Piece/dp/B07G9GQG4W?ref_=Oct_DLandingS_PC_6c2e29b2_0&smid=ANEGB3WVEVKZB SOLD OUT
https://www.amazon.com.au/Extra-Spearmint-Sugar-Pellet-Chewing/dp/B07G9WCS6B?ref_=Oct_DLandingS_PC_6c2e29b2_1&smid=ANEGB3WVEVKZB SOLD OUT
https://www.amazon.com.au/Extra-Peppermint-Sugarfree-Chewing-Bottle/dp/B07GB2ZGVL?ref_=Oct_DLandingS_PC_6c2e29b2_2&smid=ANEGB3WVEVKZB SOLD OUT
https://www.amazon.com.au/Extra-Strawberry-Sugarfree-Chewing…
Pack of 6, not 46