Where can I pick up necessities, like bottled water and toiletries?
Paris has a lot of little convenience stores, where you can pick up supplies. There are also supermarkets throughout the city, the nicest chain is “Monoprix”, here you can find food but also cosmetics, toiletries, household supplies and clothing. Other chains are “Franprix”, “Carrefour Market” and “G20”. The BHV, beside the Hotel de Ville is perfect for odds and ends fro clothes to stationary to electrical converters and hair-dryers.