Yes...this mansion is a lot of work,but nothing worthwhile is ever easy. There is so much detail on this house,its incredible. The rooms are a nice big size,the kitchen could be a little bigger, but many people add an addition,usually a  greenhouse type look,off the kitchen side or even leave out the stairs for more interior rooms. The stairs and entry way are my very favorite parts of the house. Its a special accomplishment to complete this house,and you will have a lot to be proud of when its finished. If you have any questions while building you can get plenty of helpful support and advice on the Greenleaf forum.This is what I did with mine:

http://www.greenleafdollhouses.com/forum/index.php?autocom=gallery&req=si&img=55594d.