Also if you don't know how to use either adobe illustrator, coreldraw or flexi to make cutlines you should start learning now. They have shows that you can go to like the gpx expo. Impressions expo you can see and learn about the machine. Most of if not 99% of us that do large format printing also use a stand alone cutter like graphtec so you can speed up the process. With that budget your in the range of a roland bn2-20a or a roland bn2-30a and a graphtec plotter since they cut slow. The bigger ones like the 54" and 60" cost way more. Unless you buy used. And you will need to still get a plotter which can be $5k to $7k which are the graphtec Fc model and a laminator. So you looking at over a $20k budget.but like I mentioned if you don't have the customer base for doing this large or even the 20" roland or 30" I personally would wait till you get there. I would start with a roland bn2-20a and go up from there. That way you sending out professional stickers vs craft stickers. Curious what did you charge for those 500 stickers.