Bianca (fake name for anonymity) is one of my clients. The other day while we were talking on the phone she said something quite profound. I asked her if I could post it and she said it was okay.
Basically Bianca said to never say things like, "I don't have enough money" or "I can't afford that." Instead, say something like, "I would rather not spend my money on that" or "I choose not to spend my money on that."
So many people, including myself, reinforce the belief that we don't have enough money. We believe it and then we manifest it. So catch yourself every time you make this mistake and rectify it with positive reinforcement.