I never used to get receipts from store clerks, but now my wallet is full of them.
I would never take a receipt when I bought something before, but now I have all kinds of them in my wallet.
この場合、次のように言えますよ。
ーI never used to get receipts from store clerks, but now my wallet is full of them.
「以前は店で領収書をもらわなかったが、今では財布が領収書でいっぱいだ」
my wallet is full of ... で「財布が…でいっぱい・財布が…だらけ」と言えます。
ーI would never take a receipt when I bought something before, but now I have all kinds of them in my wallet.
「前は何か買っても領収書をもらったことがなかったが、今は財布の中が領収書でいっぱいだ」
I have all kinds of ... in my wallet. で「財布の中が…だらけだ・…でびっしりだ」
ご参考まで！
カナダ 
