As per the ABBA track...

...Money, Money, Money.

If you'd said to my younger self that I'd shell out this much for a telephone  I'd have thought you were havin' a laugh.

If you'd said to my younger self that I could have a computer of quite extraordinary power in my pocket I'd have also thought you were havin' a laugh.

Now, where did I put my ZX81 and its 16K RAM pack?