It doesn’t matter how involve are you in Islamic works.
It doesn’t matter how much money you spent.
Islam won’t succeed if Muslims do not take care of their salah.
Zuhr. Asr. Maghrib. Isha’. Those are easy insyaAllah.
Fajr? Trust me, even the most pious wake up late or miss it sometimes.
I’m disappointed with that fact of course. After a year living together, people won’t change their attitude towards Fajr easily.