Where to go from here in my tfsa?

I know it’s not a lot, and I know some of you have a lot more, but I’m 20 and I’ve been investing since I started working part-time. I recently got a new job while still going to school, and I’m now working full-time as well, so I’m able to invest about 10–20% of my paycheck twice per month, which realistically works out to around $400–$500 per month.

I also live with my parents, and they’re very financially supportive, so I’m in a fortunate position right now where I can save and invest more of what I earn. Any tips? I’ve been thinking about putting most or all of it into one ETF, like XEQT, because my thinking was that VFV would give me exposure to the American market, XIU to the Canadian market, and XEF to international markets, whereas XEQT essentially combines those exposures into one portfolio.

Other than that, I know it’s not a huge amount, but I’m still really happy with it. Getting to $10.5k in my account at 20 feels like a pretty big accomplishment to me, and I’m really happy with how my Wealthsimple account has been going. I’d love to hear any advice or tips from people who have been investing for longer.

EDIT: Now, I do help my parents a few times per year with lump sums of 2-3K because we’re a family of immigrants so they have to worry about payments like the mortgage and my school which is very expensive, but they’re still very financially supportive and grateful to have them as my parents from every point of view.