Is it legal to advertise cars for sale online and park them on the public highway?

Is it legal to advertise cars for sale online and park them on the public highway? The cars have no signs that they are for sale other than online.

What happens if my car fails an MoT before the date of expiry?

If my car fails the MoT prior to the expiry date of the current MoT certificate what is the status? When looking on the government check and MoT status it shows fail but also says the current MoT is coming...

I sold a car to a dealer who now wants a refund - where do I stand?

I sold my car to a dealer, who checked the car and had a test drive. My knowledge about car problems is none, so I didn't notice any mechanical issues. Next day the trader called me asking for a refund...

I bought a used car from a dealer but after just two weeks it needs expensive repairs - should this have been picked up?

I recently bought an 8-year-old car from a national chain. The car has a full main dealer history and is in generally very good condition. There were a number of minor issues with the car that they promised...