“During the building of my website I experienced a few unexpected changes with my practice, which in turn changed my goals for my website. This didn't phase the team at all. They were able to keep me focused, change the website design, and incorporate the changes into my website in a way that surpassed my original expectations -- which were already quite high.”
When multiple pages on a website compete for the same keyword, that is keyword cannibalization, and it dilutes the SEO potential for any one of those pages.