There are so many ads on kijiji and similar sites with people that have spaces your ad would be ignored anyways. On godaycare they have credits - 14 so every two weeks you get a notice to renew your ad to get more credits. I keep an ad on there just so I don't have to redo the thing but it won't show in any lists until I actually place an opening message. I keep my website with info about contacting me to discuss your care needs and do list openings I know about. Our childcare association has a database of members that parents can access but there is no way to indicate if we have an opening or not so do get calls and have to say sorry not at the moment.

I see no reason to waste time interviewing when I am full because there are so many options out there it wastes the time of parents as well. In areas with a large turnover or where spaces are at a premium and parents book well in advance then you will need to do whatever is customary for your area. Around here a wait list would serve no purpose because if you don't have a space when a family calls they just move on to the next name on their list and that list gets longer each day.