Let her get the house she likes. What's that saying: If momma ain't happy, ain't nobody happy!!
Getting a fixer upper and renovating it now will do you no good in the future for sale purposes as most likely, by the time you want to sell, the renovations will be old and/or out of date with new styles.
I have several female friends who have agreed to live in a fixer uppers as their husband is a handyman/renovator and guess what, after many, many years, the homes are still unfinished. That would drive me nuts to be honest.
Just my opnion, and you asked