If game and self improvement is really your goal here, then spending your hard earned money on clothes would be a terrible idea.
Why? Because if your game is weak, then wearing nice clothes isn't going to suddenly make your game strong. Yes you'll look better and feel more confident, but honestly, the goal with male fashion is to not look like a slob (and even if you do it's not the end of the world). This can easily be done with a $100-200 budget shopping at Zara, H&M or Uniqlo.
Buying a ticket to another country isn't going to do wonders for you either. Game is pretty much the same anywhere. If you can't score domestically, don't think you'll magically get laid like a rockstar abroad. Unless you're a white dude in SEA, in which case, I advise you to buy a ticket to the Phillippines ASAP.
Honestly, the best way to improve your game is to.... GAME! Go cold approach on the street, the bookstore, the supermarket, the bar, whereever. If you're hellbent on spending money to get there, then make sure you find a reputable coach because there are a lot of scam artists out there. I'm sure there many a seasoned players here (like Vinny for example) who will offer you private coaching.