For a long time I used my glutes. Then I experimented with my quads, the pain so excruciating I resorted to using my glutes exclusively again.
For some reason I eventually tried my quads again and persisted with blue needles and managed to inject regularly without problem, so I gave my glutes a well needed break.
When I discovered backfilling with insulin monojects I never looked back and now prefer using them in my shoulders, so I have 6 sites I rotate.
Never been brave enough to try lats or triceps or any of the others. On the occasions I have injected daily it has only been with 0.5ml or something.