Dryer not heating properly? Make sure your lint filter is cleaned out and there's no obstructions to flow of vent? Still not working might be time to call for service.
Try changing the water filter in your unit. a old water filter can cause poor water pressure or no pressure at all.
Try vacuuming out the back condenser coils located near the compressor and vacuum in front of the fridge this could be causing poor air flow to your compressor and it could overheat.
When washing small items such as... sock, underware, baby clothes ect. use a mesh bag this will help you not loose that pesky sock and avoid expensive repairs.
Always use what your washer machine book recommends for cleaning detergent and run a clean washer cycle every few weeks to make sure you don't get gross build up.
I strongly recommend cleaning your stove the old fashion way. Using the self clean function damages igniters and heating elements in any stove and is the #1 cause of heating malfunctions
Try cleaning out the food trap located under the bottom rack. Most are unscrewable and require no tools to access.
Make sure your using high quality dishwasher tablets I recommend using Finish tablets. Also use rinse aid if your dishwasher has the capability.