It's work, Sapphire. Here's a link to give you an idea:
Here you go with some helpful tips. It is work but if you want it badly enough you will be successful. Best to you with your project and the holidays!
Hi Saph1re: Yeah, it will be work, but first check with your city to see if it will increase your taxes, which it might because they will consider it a 'room' and you will have to get permits, etc. You might be better off buying one of those free standing screen rooms and putting it really close to your house:) Whatever you do, good luck and enjoy your screened in room.
I used vinyl finished wooden screen doors in different sizes joined together to enclose my porch. I already had a roof and corner posts so it was a very easy process.