i do all injections lower body. rotating sites isnt so hard brotha. just hit right calve one day, then left the next, then right quad after, then left quad, then right butt cheek then left. simple as that. by the time you get back to the right calve, six days have gone by. it 2cc per site you can hit your target dosages. even 3cc in quads and glutes.
idk, thats my method. every one has there own shit they do.