Masking tape on brake shoes before installing,(keeps them clean and grease free)
If bending up new brake or fuel lines,use the old lines as a template,as you make your bends use tie wraps to keep the lines together.
Remove and install screw in type upper ball joints with control arms still bolted to car.
Electrical tape wrapped tightly around the outer edge of a socket will help retain a bolt or nut in the socket.