When laminating, use 1″ vinyl blind slats between your surfaces to align the edges.
Keep waterbeds covered with quilts or blankets to help retain their heat. You might also want to insulate the bottom with a sheet of rigid foam insulation.
If you are like most of us and not getting any younger, consider adding features to your kitchen that will ease the transition to the Golden Years. Rollout shelves reduce stooping and bending; raising the dishwasher an extra few inches does too. Add a heatproof landing area next to the oven and stove to reduce cross-kitchen carting of heavy pots and hot pans.