The dish round the back is adequate for normal use, but may overflow if you have a lot of ice. I like to see it and sponge it out ( it may be very dirty)
When empty, the FF will be quite light. Clean the floor and spray it with furniture polish to help it slide.
Pack your expensive meat and fish in the middle of the box, surrounded by frozen peas, chips and pizzas, which you can eat later, or throw away if necessary at low cost. A large, double cardboard box wrapped in a duvet offers quite good insulation.