Best purchase and investment your ever made as an 11 year old

I know you only said ten, but I have to mention this album, so much great music during this era 1965-1970:
Bobby Taylor and the Vancouvers-Bobby Taylor and the Vancouvers

The Doors -The Doors
Jefferson Airplane -Surrealistic Pillow
Nico -Chelsea Girl
The Stooges -The Stooges
Cream -Disraeli Gears
Dusty Springfield -Dusty in Memphis Laura Nyro-Christmas and TBOS
Miles Davis- Bitches Brew
Stevie Wonder -For Once In My Life
Minnie Riperton -Come to My Garden

I’m so sorry for you loss, my condolences