Sometimes, couture is not worth the effort. Bad Dad's old polo had many tiny wear holes, mostly at the bottom. I marked them with masking tape so I can easily tell where not to place the pattern pieces.
Ann Steeves made an excellent video explaining how to sew knits with equipment from the humble straight stitch machine to a zig-zag sewing machine through a serger and coverstitch machine. You can use whatever you have and still produce something durable and attractive.
Version one of this top was made from a stretch cotton poplin that looked terrible with my complexion. It, along with some regrettable rayon challis pants, lives in Boulder with a friend's teen aged daughter. The outfit looks great on her.