I thought that I had everything planned and all of my ideas set, but everytime I come across pictures or new ideas I think "ohhhh I want that" lol All of the things I see would not be over my budgeted items (If they were more than what I budgeted it would totally different) but there are just so many choices.
I started planning in the middle of last year to avoid this happening but now at a little over 6 months left it seems I just run across so many nice ideas so I am being very indecisive about what I want 
I guess thats why they say when you find what you like and want stop looking.