Are there Halachic ways to eliminate debt?

Are there heterim to not repay debt?
What if it’s owed to a credit card company, bank or government, as opposed to a Jewish lender or gmach?
What must be disclosed when taking out a loan?
Is it better to learn in Kollel and incur debt, or to get a job?
Can a creditor force the debtor to sell his home and other assets?
Does halacha ever cap the amount of debt we can incur?