Debating buying a 3D printer

I am looking to buy my first 3D printer and flash forge is being sold for cheap on amazon. I’m thinking about buying the adventure 5m and buying a kit to convert it to a closed printer. Are there other companies that may be a better first printer? I’ve heard great things about Bambu labs, but you are apparently not supposed to enclose the a1 or a1 mini. Should I spend the extra 150$ for the 5m adventure pro? I am an aerospace engineering major and would like to eventually print small turbine or rocket parts, but I’m not sure if this is something I will enjoy or continue pursuing so I’d like to keep the price to a minimum. Is it still worth buying an enclosed printer?