Anyone here know woodworking?

The saw came in...
https://www.ebay.com/itm/143433265799
Spent last evening sawing, my right arm is pretty sore today. I messed up some expensive boards and I got tired of messing around. The quaintness of using only hand tools wore off pretty quick. Just ordered this..
https://www.amazon.com/gp/product/B07P8QTFRC/?tag=fabo03-20