1. Stop printing crap and focus on big ideas i.e. using the 3D printer as a business tool. 2. Be mindful on what to print yourself and what to leave to higher quality offerings by 3rd parties. 3. Experiment only to meet specific project goals. 4. Choose a 3D printer range based on specific targets, they vary a lot. 5. Snapmaker. PLA becomes quite brittle after a few years, I am eager to switch to PETG.