What the hell was that for? There is no need to be rude and call me names...
Perhaps some things are easier to check if you know how and obviously you don't, so please pull your head in and don't call me names.
Also, maybe he wasn't planning to charge you, I know if it was me and it only took a bit of his time, he would bend over backwards to help.
As for the oxidisation discovery, isn't that pretty easy to explain on here and perhaps fault finding a 2002 Factory immobiliser is a bit harder to do whilst online.
Also, I know what this forum is for and it isn't for openly having a go. If you are upset then please keep it to yourself, or complain to a moderator. As for opportunitists making money, it is your car, your money and your choice.