If you have a big whole house job to do, start with the kitchen - make it spotless and it WILL inspire you to continue. If that's overwhelming, just bleach and scrub the kitchen sink to start. You'll see, it works! I've cleaned more houses than I care to mention and some you'd think were hopeless. I've done hoarders, invalids, heavy smokers and just plain slobs. Start with the kitchen and order a 30 yard dumpster - that's my method