Wife has been making yogurt since her college days in the early 80's.   She recently replaced her old machine with this one from Amazon.  She says she likes it better than the 45 year old machine it replaced.   The old one was basically worn out. 

https://www.amazon.com/Ultimate-Probiotic-Adjustable-Temperature-Control/dp/B0FVG668T9/ref=sr_1_3?crid=3QFOQIGOXDKL9&dib=eyJ2IjoiMSJ9.cvVbrs1vo8JWSVZZOYYizTW7f_ghxgrOSVhI1b_oH14yLw1eYMpPxFLh4Ah3D8uSNCzITJRYtVHZ6KDj35mB910bxsGiiCQruWO3B6g0dqcQITVNfUjJp2ZbhkUYIkng7-NKYiVy1Kc36ppIICuWaAv1LZyvasHJglIz-fgJjwWi_4X-58EMTO7LTMnI25Ks_H73qEeqcKnP9IGslZVEjSsHiQR5wuvBGhvWXmaGhJw.Y8E8er_Yb2uNGSq4KevgE3ZrBgW0wnvj2yh8X_Wl2-c&dib_tag=se&keywords=ultimate%2Byogurt%2Bmaker&qid=1775774066&sprefix=ultimate%2Byo%2Caps%2C255&sr=8-3&th=1