Thanks for the suggestions. Most agree, except one, that applying wax to my decals might damage them.
I went to the detail shop and ask about it. This is a one man show that has been in business 7 years in my small town of 8000. He said that in his experience, he has never had a problem with decals coming off because of wax. He was willing to do the 303 but said that if it were his, he would use the wax first and then the 303 every 2 0r 3 months. He does everything by hand.
I ask if the type of wax might make a difference and he said he didn't think so as most had the same components.
Just thought I would pass this on..
Thanks for answering my initial question....ron