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Very clear answer: it won't help anything. Your homepage should naturally get so many links that a link in your own footer will make near to no difference at all. It's not worth your time worrying over. Only time you should worry about the links in your footer is if people are having a hard time finding stuff.

Friendly associate here.

Keri is right, changing all the links you have now is a bad idea. You are going to want to do a few guest posts, maybe a marketing campaign around your trophies and get links that way. You are going to want to do this as naturally as possible.

Idea 1: Guest posts about trophies. Maybe target soccer moms and small businesses or schools with pieces about the best trophies. Any insider knowledge about ordering trophies will be appreciated.

Idea 2: Infographic on trophies. There are tons on specific trophies, but not overall. Any interesting data you can gather about trophies (how many are given away a year, how many are 1st, 2nd, 3rd) will be great.

Idea 3: Contest or giveaway to a non-profit that needs trophies for their upcoming fundraiser. Make them write a post about why they need trophies, etc. And make sure they link with a badge or specific link.

Hope this helps!