If you can trust a person with your finances, career, etc (for example: financial advisor, career coach, etc) then why wouldn't you trust God?
He is so much more powerful than any person! He knows what is happening in your life better than anyone else. He knows what you need better than anyone else. He is capable of doing things that no one else can (think about miracles, coincidences, and other inexplicable things).
You can trust him.