I want to diy wood picture frames. Where can I buy the material to make?

I want to frame my writings and paintings. I was going to bring them to an art frame store around my place, but I thought it would be great if I could build my own. I think picture frame is very easy to build. I just don't know where to buy the material; wood frame (Lowe's, Home Depot? or any particular... show more I want to frame my writings and paintings. I was going to bring them to an art frame store around my place, but I thought it would be great if I could build my own.
I think picture frame is very easy to build. I just don't know where to buy the material; wood frame (Lowe's, Home Depot? or any particular store carrying those stuff?), glass (or what kind of material should be used? sort of acrylic plate?), sort of pins that hold painting in the frame, etc.
Thanks for your answers in advance!!!
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