I still have (and continue to use) my D610. For an entry level FX body, it has always been reliable. Since Nikon will replace the D750 next year, I am guessing there won't be any other less expensive FX body offered.
https://nikonrumors.com/2019/12/04/...cameras-are-now-officially-discontinued.aspx/
https://nikonrumors.com/2019/12/04/...cameras-are-now-officially-discontinued.aspx/