Our stockpile is quite meagre as husband doesn't drink - not because he has a "problem", he just became a bigtime health nut after he turned 40. Once in awhile he'll have a beer or cocktail with friends or for a celebration, but it's a rarity.
So, our fridge currently (& usually) just contains a few black & tan beers, a bottle of pinot grigio (my favorite summertime white wine, & I like to switch around different brands), a large jug of Gallo Chablis Blanc - used primarily for cooking (is terrific for steaming shellfish), Aquafina water, Diet Coke, & lemon-lime seltzer. That's it.
As far as hard liquor, once in awhile I'll buy a bottle of Bacardi Gold rum if I feel like having a "Diet Coke & Rum" (I'm sure you know that the Diet Coke cancels out all the calories in the rum. . . .
), vodka for Bloody Mary's, tequila for Margheritas, or Tanqueray if I feel like a gin & tonic - but except for guests, those are occasional purchases, not the norm, & presently I don't have any of the above in the house.
Oh, I do have some dry vermouth, dry sherry, marsala, & cognac in the cupboard, but have them for cooking, not imbibing.