Seasonal hiring: what is paying well this year? - what worked for you?

A retailer and two warehouses near Raleigh are hiring seasonal staff. I would like to avoid a gap in my résumé. Is it worth applying to several at once?

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.

Keep a list of supervisors' names. A reference from one of them helped me land my next job.