Suggestions for where to spend adult money

Just got my first salary in life, alr bought gifts for mum dad and sis, now was thinking should gift myself too but idk what , i don't wanna regret afterwards that I just wasted it 🥲 so pls suggest some useful stuff , also if any1 could recommend me some good Indian stores to buy some cool tees it'd help , I always wanted to buy some cool tshirts but now I can't find them when I can finally afford one lol... Also pls no hot wheels...not a big fan.. :)

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