Having your boyfriend call your dad is not a good idea. Best to just ignore that request, if he repeats it.

Your dad may be bluffing, or not. Just do the best you can with paying your bills and see what happens.

You might try turning the tables by threatening to move out. As long as you live in this condo that he co-owns, he is going to make this threat, everytime he wants to control you . . . and that will go on forever. Getting thrown out is not something that will kill you. One way, or another, your boyfriend and you will figure something out . . . unless your bf really is mainly using you. If your dad threw you out, then he would lose his main leverage over you. That's why I doubt he will do that.

I'm sorry you lost your mom.