Hi, I was just wondering how accurate is Google Keyword Planner when it comes to competition? I know this is just to give an idea of adwords bid, but is there any good correlation with difficulty to rank as well? They have a "high" and "low" for many keywords, but it is surprising because in the niche I am researching right now, some high volume words are "low" while some . How do you rate your competition in a given niche? Do you check out their backlinks and do further research before building a website or do you think the GKP is enough?