After we finished our DIY deck back in March, it became even more apparent that we needed more outdoor seating. The only seating we had at the time was a round patio table with 4 chairs. Initially, we looked around for sectionals, but everything we liked was at least $2,500. Then we came across some plans to build your own outdoor sofa from Ana White...for around $50 in lumber! The cushions are the most expensive part of this project, but even so, we were able to build 3 sofas for under $800…