What should I use to lube the cams and axels? I know not to use wd40 but what about gun oil?

Dry graphite lube. The same stuff they use for locks.

I just saw a thread somewhere else asking the same question, and that is what everyone else was saying.

If your bow is a fairly new bow then you don't lube anything. The cams should have sealed bearings and the lube isn't going to penetrate the seals any way. Leave them alone.

If it is old enough to have bushings then those are self lubricating and do not need additional lubrication.

Lubrication only serves to attract dirt and dust and create wear on the bushings.

Very true...just leave it alone

so what about taking the bow out during rainy days? are there any maintenance tips i should be aware of? other than keeping some wax on the string.