How much ammo is enough?

How much ammo do you think is enough, for each firearm you own?I try to have at least 1,000 for each.Also what is a good number for Hi cap magazines?Rite now I have 6, 30 round AR mags and 6, 20 round mags for my 2 AR-15's.For my Glock 19 I have four of the standard 15 round mags,1 17 round mag and 3 of the 33 round mags.For my Glock 30 I have 3 10 round standard mags and 7 of the 13 round Hi cap 45 mags.I feel I have enough mags but let me know what you think.