You can buy accurate caster/camber gauges for $200 or so. Whether you can do your own alignment mostly depends on how serious of a hobbyist you are and how much patience you have. You can get the same results as the shops get and likely better since you care more than many of them do.
Someone mentioned earlier about shops having machines that can measure toe to within 0.001 inch. That may be true but that level of precision isn't necessary or even useful. Sort of like your doctor saying his scale can weigh you to within 0.01 of an ounce.
Someone mentioned earlier about shops having machines that can measure toe to within 0.001 inch. That may be true but that level of precision isn't necessary or even useful. Sort of like your doctor saying his scale can weigh you to within 0.01 of an ounce.