Leviticus 5:7
7 “But wif he cannot afford a lamb, then he shall bring to the Lord as his compensation for the sin that he has committed xtwo turtledoves or two pigeons,1 one for a sin offering and the other for a burnt offering.
Leviticus 14:21
21 “But mif he is poor and cannot afford so much, then he shall take one male lamb for a guilt offering to be waved, to make atonement for him, and a tenth of an ephah of fine flour mixed with oil for a grain offering, and a log of oil;
Leviticus 27:8
8 And aif someone is too poor to pay the valuation, then he shall be made to stand before the priest, and the priest shall value him; the priest shall value him according to what the vower can afford.