Revit hates broken paths. Store your master family library on a local server or a mapped network drive that never changes letters.
If a manufacturer offers 1,000 sizes of a pump, you don't need to load all 1,000. A Type Catalog lets you choose which specific sizes to load at insertion time. bim revit objects
Choose your objects wisely. Your CPU and your client will thank you. Do you have a specific type of Revit object you struggle to find (e.g., structural connections, MEP valves, site furnishings)? Let me know in the comments below. Revit hates broken paths