You'll right in a pump is quite a learning curve to start off with, but would it be the straw that breaks the camel's back coping with your other problems...
Hard to tell, but if your ability to cope is shaken by the frustrations of trying your hardest with MDI and when it doesn't pan out, you feel like you'll failing etc.. Perhaps because you focus on the pump's learning curve with a mindset that you going to fail a bit due to having to learn might lessen the over all pressure of coping with all that's on the plate...
It's a shame that CGM funding isn't easier to get, in your case combining one of these with a pump you would gain a lot of benefits, such as knowing which why your BG is heading, so you can adjust your pump accordantly, overnight you can program it to alarm if your BG's reach certain points high or low, that needs addressing,
But I would say ask, as said you've got nothing to lose and it's worth exploring it all, and the benefits it can bring