IDX Search using WSDL

I am a real estate agent using [login to view URL] ([login to view URL]) for my IDX integration for my websites. Their default search doesn't work for my current situation. I need a custom search created. I was told by the IDX company that it would take about 2-3 hours to create a custom search. You must have knowledge and be an expert in WSDL Documentation and Services. Here is the link they supplied [login to view URL] According to [login to view URL] technical support, The Windows Services need to "hook" the IDX feed. I actually have many projects for different real estate websites. So if you have experience with real estate website design and knowledge of IDX, WSDL, PHP, MySQL and SEO this could be a long term relationship.