HOw to let clients know i have a change/opening in my schedule

I have pretty set hours because I work full time and am a single mom. However...things come up often. FOr example...the grandparents might call up some random wed and say they would like to take my daughter for a few hours...
or work will give me a day off if we are having conferences or something. I may call in sick with a morning headache and then feel great by noon.

so suddenly I have time to see clients! woo-hoo! How and where should I post this info so as many men as possible will see it? sometimes it may be last minute...sometimes i may know a few days in advance.

thanks for your help...you guys do great!
Angel
You can post availability on your showcase, however you can also post sudden changes in availbility in the coed section. So long as it is not abused & overly posted.
ok..i will do that..thanks for your quick response!