Thank you for your insights! Yes -

1. Since it's a work trip, I'll need to be performing on my most optimal state of mind and body condition. I'll have a couple of days of rest after arriving, but still, it's incredibly exhausting.

2. Budget shouldn't be a problem since I'm aiming for a travel grant - either way, it's affordable. It's just that the cheaper option will leave more leeway for the travel grant to cover other costs while I'm there, but it's not a do-or-die situation.