1) Learn the tricks: sneak plants in when your spouse isn't around.
2) I hate to burst your bubble, but the ludisia is hardly rare. Lay it down in some fluffy , damp sphagnum and you'll have a whole colony in no time.
3) You are talking about 3 plants with entirely different needs: The ludisia is a shade lover, the vanilla likes it brighter, and the reed-stemmed epidendrum likes a lot of light. At least they all like to be warm!