This is the law for someone who has a skin disease and cannot afford the cost of his cleansing.”
We have here the gracious provision which the law made for the cleansing of poor lepers. If they were not able to bring three lambs, and three tenth-deals of flour, they must bring one lamb, and one tenth-deal of flour, and, instead of the other two lambs, two turtle-doves or two young pigeons, Lev 14:21, Lev 14:22. Here see, 1.
Commenting on Leviticus 14:21-32
Then the priest shall command that they empty the house,.... Clear it of all persons and things; everybody was obliged to go out of it; and all the furniture of it, all the household goods in it, were to be removed from it: before the priest go into it to see the plague, that all that is in the house be not made clean; as...
This [is] the law [of him] in whom [is] the plague of leprosy, whose hand is not able to get [that which pertaineth] to his cleansing. (k) This order is appointed for the poor man.