Var.: Шуба лежит, а шкура дрожит
Cf.:
The ass loaded with gold still eats thistles (Br.). Even if the ass is laden with gold, he will seek his food among the thorns (Am.). Fools live poor to die rich (Br.). A miser is an ass that carries gold and eats thistles (Am.). Moles and misers live in their graves (Br.)
Русско-английский словарь пословиц и поговорок. Академик.ру. 2013.