Seasonal jobs that might turn permanent (update)

A retailer and two warehouses near Tulsa are hiring seasonal staff. This is my first time dealing with any of this. The pay is hourly with weekly deposits. Is it worth applying to several at once?

Keep everything in writing and save the confirmation numbers. It saved me later.

Thanks for writing this out. I went through something close to it last year, and it got easier once I kept a simple log of every call and form.