I understand, but while what happened is unfortunate it is completely independent form your (financial) situation.
The little chip (or other component) that blew out or however failed to function properly doesn’t care about that, it simply blows because it feels like doing it, just like another component decides to keep going.
It is perfectly possible that after all the thingy is actually worikng but has something disabled/deleted, but if you don’t find a way to attempt netinstalling it, the game is over or nearly over.
There could still be a possibility (provided that the device is operational) to access the device (and if needed re-flash the bootloader) via TTL, it has been documented recently to solve a multiple RB5009 accidental bricking issue), but it is not at all easy-peasy, JFYI:
and not necessarily the same processes will be applicable to a CRS 310.