cut your coat according to your cloth

cut your coat according to your cloth, cut your cloth according to your means (only buy what you have enough money to pay for ) - жить по средствам; по одежке протягивай ножки

Of course we'd love a huge expensive house, but you have to cut your coat according to your cloth.
(CIDI)

Meaning: said to emphasize that someone should do the best they can with the limited money they have

see also
[live in a small way]
[stretch your legs according to your coverlet]
[draw in one's horns] - 2