The importance of setting it up on all of your pages is you don't know where people are going to enter your website kurma as it grows. Having good statistics on your interior pages, along with your home page, let's you make good choices on how to monetize it.

2. Free traffic. It is possible to get web site traffic without having to pay for it.

If you are willing to spend your time generating traffic this will work. One thing to know is free traffic takes longer to get going. Consequently lots of people give up before they start to see results.

One more thing to know is that you should value your time and effort as money, so when you are working it's costing you money. The difference is it is not taken from your bank account, or being charged on your credit card.