"You'll Lose a Good Thing" is a popular song written by rhythm and blues artist Barbara Lynn Ozen, who, performing as Barbara Lynn, scored a 1962 Top 10 hit, peaking at #8 and also the number 1 spot on the R&B charts,[4] with her bluesy rendition of the song.[5]
Freddy Fender retained those bluesy, soulful elements when he recorded a country version of the song in 1975. In April 1976, the song was his fourth No. 1 song on the Billboard magazineHot Country Singles chart.[6]