Any tips to writing a Sonnet?

Search your emotions for something you feel strongly about and want to express it. Then, because the couplet is the ending summary, or whatever, start with that first and work backwards. Maybe get the initial conflict or problem as an idea for the first stanza, what detail you want in the second, and the idea on a resolution in the 3rd. Find key words and rhymes for them, but don't force any of it. If it doesn't fit together, use a variation and alter it slightly with maybe near rhymes and semi-metered feet. Poetry is more about emotion than words, which are just a vehicle.