The best type of wiring depends on what you're using it on. For quantity over quality pick aluminum. For quality pick copper.
Hazards with aluminum wiring - Structure Tech Home Inspections
Bare vs. Tinned Copper Wires
Aluminum Vs. Copper Wiring - Bryant Electric Service
Will Aluminum Wiring Pass Inspection - Honor Services
Aluminum Wiring Home Guide Identification And Replacement
Is Aluminum Wiring a Fire Hazard
Why Is Aluminum Wiring An Issue In Homes? - Scott Home Inspection
Should I Replace the Aluminum Wiring in My House?
Aluminum Wire as an Electrical Conductor, Aluminum Wire Bob Martin Co
CCA Vs. Solid Copper Ethernet Cables: What You Need To Know
Benefit of Replacing Aluminum Wiring with Copper
Construction Materials: Copper Versus Aluminum Wire