Cross reference
Leviticus 25:26
26 If a man has no one to redeem it, and he becomes prosperous and finds sufficient means to redeem it;
Leviticus 5:7
7 "'If he can't afford a lamb, then he shall bring his trespass offering for that in which he has sinned, two turtledoves, or two young pigeons, to Yahweh; one for a sin offering, and the other for a burnt offering.