Did you download the Monster Hunter Rise demo? If so, you'll want to hang onto that save data. When Monster Hunter Rise launches, that demo save data will net you some extra goodies. You'll get to start the full game with 20 Mega Potions, 5 Pitfall Traps, 10 Energy Drinks, 5 Mega Demondrugs, and 5 Mega Armorskins.
Some helpful hunting items