can someone tell me with the Cricut

i use it at work all the time to cut vynil lettering
Works great but I don't know if I wuld buy one for my personal use. Here is what the website says


Cricut® personal electronic cutters allow you to get amazing creative results with the touch of a button. Cricut machines with the Cricut cartridges cut beautiful designs and alphabets for card making, home decor, scrapbooking, paper crafting, and more. Imagine the projects you can create with Cricut. Your results with the Cricut are only limited by your imagination.

my friend has ones and uses it to make homemade cards, gift tags for presents and scrapbooking stuff.

they have a thing for wedding invites and std's ... she keeps telling me to buy the cartridge for it and i can use it but they are EXPENSIVE.