Everyone has different growing styles, holes in the sides of the pot increase the amount of air circulation in the pot and help the media dry out faster, you could grow an orchid in any type of contain. The style of pot really depends on your growing situation and what type of orchid media you use.
would it be ok to fertilize with a weak solution/mixture of fertilizer right after re-potting? or should it just be watered?
Doesn't the pot need holes in the sides?
Everyone has different growing styles, holes in the sides of the pot increase the amount of air circulation in the pot and help the media dry out faster, you could grow an orchid in any type of contain. The style of pot really depends on your growing situation and what type of orchid media you use.