We are saving up our energy now as we work towards opening up a new store.
We are taking it easy now before the opening of the new store.
ご質問ありがとうございます。
① "We are saving up our energy"＝「今、私達は充電中です」
"as we work towards opening up a new store.”＝「新しいお店を開店に向けて。」
② "We are taking it easy now before the opening of the new store."＝「私達は今、少しリラックスしています、新しいお店を開く前に。」
ご参考までに。
アメリカ合衆国 
