Personally I only apply for the CS shop at WF which covers 4 areas.
I did a all department shop for Giant once and hated it.
If your doing this just for the fee, it's a long shop with a small reimbursement. I am pretty sure the survey will take longer than the shop.
My posts are solely based on my opinions and for my entertainment, contact a professional if you need real advice.
When you get in debt you become a slave. - Andrew Jackson