I’m fairly sure Microsoft is actively trying to screw Firefox. Outlook has always sucked in Firefox, teams is a shit show. When you use a useragent switcher somehow a lot of features seem to work magically in Firefox (which tells me MS is doing this on purpose).
For Outlook (exchange) I use Thunderbird with a paid plug-in (to make the 2FA stuff work). It’s pretty cheap and totally worth it for me at least.
Where do you live to be able to buy a house in cash after 3 years of working? Where I live the average appartment is about 400K euros and the average house is closer to 500K euros.
Maybe you can find something for 250K if you really buy something small that needs lots of work. But you still need over 80K a year excluding taxes, probably closer to 120K before taxes.