Plastic corks + wax will definitely not be enough to seal them properly for any real amount of time. I only use those as intended, for tasting and once the bottle has been opened.
Meads: Hababero and Sarrano Capiscumel, Show Mead possibly getting split and flavored, and 12 gallons of Bochet Deliciousness
Ciders:3 Ciders with differing additives TBD, Strawberry/Apple Cider
Wine: Black Cherry Vanilla Port