Get a Tyvek painters suit! You can get them from Home Depot for like $10. They wont last very long but they work great. Before I got my bee suit from Betterbee I used a Tyvek suit for 3 months before the rear tore out.
I bought like 3 different sizes incase friends or my 11 year old sister wants to help in the apiary. All you'll need is a vale with tie strings and helmet which they can grow into. Gloves are cheap too.
The Tyvek material isnt sting proof, but the bees have a hard time grabbing hold onto the material. I never got stung with my Tyvek suit but have been stung many times with my expensive cotton suit. lol
It also has elastic on the legs and arms which helps keep the bees from crawling up.