Number one thing, clean and clutter. Really de-clutter to the extent that it may be difficult for you to continue living in. Nothing on the counters, shelves with only a few items, no magazines or mail lying around, minimal pictures hanging or sitting around, just a few to make it look homey. Put remotes in drawers. Always have the beds made well. Closets should be thinned down to just bare necessities, so they show space. Everything needs to be packed for the move anyhow. Store packed boxes neatly in garage or storage. Cleaning includes toothpaste and water marks around the bathroom sinks, no dirty clothes visible, swept clean entry way(inside and out), toilets flushed with lids closed and a full toilet paper roll. Dust! Dust! Dust! Clean all mirrors and glass as much as possible. Clean the ovens and the stove tops, and inside the microwave. Clean up after the pets(inside and out, toys, dishes and pooh). Same for kids stuff/rooms. Use some plug in type room deodorizers in each room. Lastly, plant a couple of colorful flowers right at the porch, in pots or in the ground. Put a fresh bouquet of flowers in a prominent place in the house(dining table, family room, entry table). The place needs to look like a home, but like your ready to move out tomorrow, even though it would 30-60 days of escrow. Good Luck!