What is a self erecting tent? What are the advantages of a self erecting tent as opposed to a tent that isn't, and what are the disadvantages?
A self erecting tent does exactly what it says. Typically it will be made in a way that the poles will naturally erect the tent so all you need to do is take it out of its bag and then peg it to the ground.
The major downside is that taking it down requires some effort and technique to twist and fold it into its packed configuration. Typically they can't be made that big either, as the springy poles could get tangled in a complex configuration.
We use them for the kids, for day tents or fun tents, but I wouldn't want one for proper camping.
My first experience of camping started with pop-up tent but I ended using a regular tent why? Like the Rory Alsop, it did not answer all the needs raised for a long term camping period. However based on my experience, here are the cons and pros: