There were so many things on the menu that someone like me who lives on their own can't afford.
この場合、次のような言い方ができますよ。
ーThere were so many things on the menu that someone like me who lives on their own can't afford.
「私みたいに一人暮らししている人には高すぎて注文できない料理がたくさんあった」someone like me who lives on their own「私のように一人暮らししている人」
can't afford「買う余裕がない・手が届かない」
ご参考まで！
カナダ 
