Keywords for a general store / blog

Hi Community,
First of all, this Forum is truly a goldmine, I came across it few days ago and I can't get enough of it. So thanks all for all the info shared.

I'm setting up my keyword list for my website, an online store / blog where we curate new cool, trendy gadgets, does that mean I have to rank for all micro-niches I have on my website ? How would you go about it ? Would you look to rank for "cool gadgets" and all product categories or stick only with cool gadgets ?

Your comments…

Keywords for a general store / blog