P.S. This 'Ible is a collaboration! PM me about it!
Step 1: Politeness in the Comments
how muc dose a 555timer cos?
I see so many of these types of comments... It diminishes in the quality of the site.
How much would a 555 Timer IC cost and where could I buy one?
Notice the proper spelling, grammar, and punctuation. Putting your name at the end of a comment really adds to the effect, and makes you look just a little bit smarter.
Taking it a little bit too far:
I really like your Instructable, but I need help understanding part of it. My question is about the 555 Timer IC. Where would I buy one of these? I would like not to have to spend more than $10.00.
Now, that is great, but this IS a website. You don't HAVE to go that far. It isn't like you're writing letters...