It's a little grindy, but two issues that stick out to me are you can't swap squad order out in the field, fallen allies aren't replaced with reserves, and defeating enemies do not give money.
If someone finds a way to save edit or use CE, let me know as just getting lots of money would mitigate the tedious parts.
A thing to note is that weapons are all random stats. And 'Hyperactivity' is chance for extra attack/turn and therefore really good. Counter is also really good as it also prevents damage.