It's difficult to prepare my child's lunch box and see them off every morning.
「毎朝、子供のお弁当の準備と送迎が大変です。」は英語で「It's difficult to prepare my child's lunch box and see them off every morning.」という表現が使って良いと思います。
毎朝ーEvery morning
お弁当ーLunch box・Boxed lunch・Bento
送迎ーSeeing・Sending off
大変ーDifficult・Hard
アメリカ合衆国 
