Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. Today's economic environment is forcing many young professionals to choose between saving for a down payment on a house or investing for retirement. The challenge is amplified for a 30-year-old woman living in a high-cost-of-living area, where housing expenses consume a significant portion of her monthly budget. A Reddit post from the woman, who has take-home pay of about $7,400 per month and$100,000 sav ...