Home Slickdeals Costco In-Store Offer: T-mobile Samsung Galaxy Note 10+ 256GB $620, S10+ 128GB... Slickdeals Costco In-Store Offer: T-mobile Samsung Galaxy Note 10+ 256GB $620, S10+ 128GB $520, Note 10 256 GB $470, S10 128 GB $420 (Activation Req.) By ARCOM - 23 November 2019 98 0 SHARE Facebook Twitter Go to the deal page: Costco In-Store Offer: T-mobile Samsung Galaxy Note 10+ 256GB $620, S10+ 128GB $520, Note 10 256 GB $470, S10 128 GB $420 (Activation Req.)