The reason USDA loans are attractive is that the interest rates are 2.8%-3.5%. That is way less than a bank or credit union will do. They were 6.5%. plus the loans are due monthly they are due once a year from when you close the deal. So we pay $146 at 3.5% for 40 yr = $6700 a year. The cattle loan is $10,000 for 7years at 2.8% = $1,500 a year
Bigfoot: the USDA does not require any collateral to get a loan. We did not have to put our house or the vehicles or anything like that, so yes if the world goes belly up a person would be able to "walk away from their debt". Your credit score would be shot for 7 years, but I guess that may not really matter.