I was thinking more along the lines of giving away an ebook for them signing up to a webinar, then let the affiliate funnel from the webinar creator run.By offers you mean being on Groupon with your services?
Don't do it. Way to lose money, they want discounts which make business not profitable. People get sidetracked by "big company, lots of potential customers, huge marketing opportunity", but in the end they work for pennies.