מדרש על ויקרא 14:31

11) (Why the three-fold) "such as his means suffice for" (Vayikra 14:22), "from what his means suffice for" (Vayikra 14:30), "What his means suffice for" (Vayikra 14:31)?

14) I might think that even if he brought the sin-offering when poor and thereafter became rich, he completes as a rich man. It is, therefore, written (Vayikra 14:31) "one, a sin-offering; the other, a burnt-offering" — Of the type of the sin-offering, bring the burnt-offering. (Vayikra 14:31) "on the meal-offering": (This implies that) the beast meal-offering precedes the bird sin-offering.