This is a huge investment and huge adjustment to your health. You need to be sure that what you are getting in to is the right thing.
It may cost a bit more for the consultations but I believe you need all the information you can get. I saw three before I settled. I read many books and spent hours and hours researching on the internet.
Then, like trapper says, trust yourself. It's your decision and you have to be one to live with the outcome.
PS I did the Clifford's chemical sensitivity testing and it revealed that some of the most used products, I couldn't use. I am glad I took the test.