For years I've been updating a sort of "wiki" page about RESPs. Everything you need to know, including links to government resources, and a couple of podcasts.

Go to the RESP WIki

For convenience, I'll port you through to each relevant section, so that you can read up on specifically what you're looking for info on:

A Word About Group RESPs

What is an RESP?

Grants

Who should open an RESP?

Family RESPs

Contribution Strategies

How Much Will Education Cost?

Investing in an RESP

RESP Withdrawals

Further podcast listening....