Styrene Sizes?

I have decided to start doing some mods to a kit, what different thickness's of styrene sheet do I need to buy? I am looking at some that is body thickness and then some that it is thinner for more detailed work. Or is it so cheap that I should just buy one of each size?

Sorry if this has been covered , but as you can imagine a search for "styrene" brings up lots of results and I found none that contained an answer

Evergreen has a sheet styrene variety pack that contains three different thickness of styrene. Get one of those and try them out. That's what I normally get.

its certainly cheap enough that you can pick up your various thicknesses all at once and then experiment with them from there.

.30 .20 and .10 are usefull

I also have .15 .40 and .10 transparent
will but some textured one soon

Thank you