THE SMART TRICK OF GUIDED TOURS VS DIY EXPLORING THAT NO ONE IS DISCUSSING

any thoughts/tips. Can it be achievable to listen to other group tours nearby or do they all dress in headsets? My boyfriend is thinking about Discovering, I tend not to care tour vs self. either way is good for me (but should say i like more cost-effective tickets). Also, can it be really hard to purchase tickets upon arrival for skip the road sel