The plastic bags will be needed for other shopping tours. According to law, all payments in Russia are made in Roubles , even though the pricing is made in some stores in hard currency. The best thing is just to go and look around. Availability changes from day to day. 99 percent of Nizhny stores do not provide delivery services , though their management is getting better all the time.
Items have an amazing way of suddenly appearing and vanishing off the face of the planet.