Loss of brake pedal: This condition is usually a result of brake fluid leakage due to failure of a brake hose or a rusted metal brake line, a worn wheel cylinder or brake caliper, or a worn master cylinder. A simple once over of the system will reveal what's going on.
If you have questions about a specific purchase, it would be best to speak to an attorney who could inform you of your legal options. While there are laws that allow for a 3-day right to cancel certain purchases, these laws are very specific and do not apply in a majority of consumer purchases.
Sometimes after a purchase agreement is signed, one of the parties elects to cancel the agreement or is forced to cancel the agreement due to the breach of the other party. There a few ways in Minnesota to cancel a real estate purchase agreement: voluntary cancellation, statutory cancellation, and judicial cancellation.