Management often doesn't realize that when you quit, you technically stop working for them. In this case, OP was working for a security company, and one month in, already decided to quit. OP gave his manager two weeks' notice, despite the fact he didn't actually owe them that. Two weeks go by and OP's manager hadn't yet found a replacement. On OP's last day, things changed, and a new trainee showed up, less than eager to be trained. OP did his best to train the new hire, despite running into a…

Put incompetent management and a travel budget in the same room, and this will be the result. This man's company wanted to save £80 on a work trip he had to go on, and being one of the biggest security companies in the world, they could have easily absorbed the cost, no question. But alas, someone in the head office wanted to talk a big game, and look good, possibly to get that promotion they so dearly desired. So they looked at cutting travel costs and changed OP's flight. Apparently, this per…