Here is a similar post https://justaskal.info/topic/gas-vs-electric-stoves/

If you are worried about the mildew etc it is still an issue there are some great preventative maintenance things you can do to avoid it like running a clean cycle of bleach periodically or using Afresh washer tabs but the best option is the new GE ultra fresh machines they solved the odor problem!

https://www.geappliances.com/ge/washer/front-load-laundry.htm

A top-loader loads from the top. While a front loader from the front. (couldn’t resist!) Here is a similar post addressing these differences https://justaskal.info/topic/front-vs-top-load-washer/

If it is over 7 years, and the repair will exceed $150, I would buy a new one as you will just be chasing another problem.