Yes, Morrisons is only a short walk away. If you need help to get there and back, just smile and surely someone will help you. I will if I am there.
Efforts are in hand to get Avgas at Sandown, and at competitive rates. Meanwhile supplies are available at Lee-on-Solent (by appointment) or Goodwood.
OK then, good weather forecast - Carla's Bacon Baps are on the menu. Only available at Sandown. Be there!