Plan for it to take at least twice as long as the contractor says, and move out while it is going on.

Make lots of decisions in advance, give yourself lots of time for planning so things go more smoothly, make sure you have date nights during the process and get away from it some, take some mini vacations (long weekends) if you are not moving out during the process, and make sure you have a florist on your speed dial list. Also, lots of wine!!

Seriously, your upfront planning and the selection of a remodeler that is not only competent but believes the process requires a lot of open communication and discussion so you aren't forced to accept things you don't like or find things have been done in a manner you would not have approved if given the chance up front.

Yes, wine! Plan ahead so there are no "snap" decisions you'll regret. And as others have said, it will take twice as long and maybe 50 percent more cash than you think! :( Plan on eating out a lot! But, it's almost like giving birth. It's quite painful, but as soon as it's complete you LOVE it and forget how long and painful it really was.

In addition, try to at least start out in agreement over what will be done. You have the right to change your mind as you get into the process but don't take up a lot of time with a professional if you are not in agreement over major changes like yes the cabinets will be changed or the new flooring will be hardwood. It will help with the quoting process as well. Good luck!

Oh, and stock up on paper plates and pizza coupons. :)

Plan, plan, plan. And then be flexible enough to change your plans as you go along. Don't bite off more than you can chew, in other words don't try to do all the rooms at once unless you are hiring a contractor to coordinate, and you plan to move out for at least part of the renovation. Keep detailed notes in a binder. List everything from paint colors and brands, to pictures of moldings, because sure enough you will run to the hardware store to get one more foot of molding and then have no idea which molding it is when you get there. If it's a DIY enlist the help of friends and relatives and plan to "owe" them for a long, long time.

Oh! And take lots of before and during pictures, so when It's over and done you can sit back and chuckle!