FYI: "rub along", (maybe more BrE than AmE) Verb . rub along - manage one's existence barely; "I guess I can squeeze by on this lousy salary"
scrape along, scrape by, scratch along, squeak by, squeeze by
get by, grapple, make do, cope, manage, contend, deal, make out - come to terms with; "We got by on just a gallon of gas"; "They made do on half a loaf of bread every day"
Student or Learner