bargain-basement

affordable, budget, cheap, cheapie, cheapo, chintzy, cut-price [chiefly British], cut-rate, dime-store, dirt cheap, el cheapo, inexpensive, low, low-end, popular, reasonable

bad, bum, cheap, cheapjack, cheesy, coarse, common, crappy [slang], cut-rate, el cheapo, execrable, gimcrack, inferior, junky, lousy, low-grade, low-rent, mediocre, miserable, poor, rotten, rubbishy, schlock (or schlocky), second-rate, shoddy, sleazy, terrible, trashy, trumpery, wretched