By Susannah Streeter From managing a junior ISA to preparing for upcoming tax changes, Hargreaves Lansdown’s Susannah Streeter offers her advice in today’s Notebook Avoid those taxing regretsHindsight can be painful, especially when it comes to your finances. I’d love to tell my twenty-something self to buy more stocks than frocks. Whether I’d have listened is a moot point, but it never pays to stick your head in the sand when economic shifts may be hovering on the horizon. With rumours whipping around about tax changes in the upcoming budget, it’s worth making sure you don’t look back on 2024…