Buy HSBC by Dec 27, 2030.

I currently have 95% of my savings in premium bonds which on average return 3.5% ish but are very very safe and its what I would like to use towards a house deposit in 5ish years time but ofc will loose value to inflation. My grandad said I should sack off the premium bonds and max out my stocks and shares ISA (£20k limit per year). He has specifically said I should invest in these companies for a longggg hold: …