I decided early on that I would be using 4 albums per year for my project life albums. Each album holds 3 months, that way I can fit as much memorabilia as I like in them... I add birthday cards/artwork/valentine cards and more. I didn't want my album to limit what I wanted to document. Of, course the downside to that is lots of albums, lol. I get 4 matching albums each year... I love the expedit(now Kallax) shelving from ikea to hold my albums. I also have separate albums for some vacations.