The only metal I invest in is Golden in colour also Krugerrands, the rust coloured one's are sheer folly as history proves time and again, they are at ridiculously high levels at the moment and a lot of people are going to catch flu in a year or so when it all comes crashing down to reality.
I amortise my toy cars over 4 years and anything left at the end is a bonus, nobody gets a shock that way and you don't put yourself at financial risk. As it happens my present one has gained 5k in 5 years if the present market is to be believed.
Essentially the cost of enjoyment is priceless when you consider our length of run time on earth - so now is the time to get out and buy that Plus 6 if you are tempted
I might do just that once it sounds like a proper car and the early adopters have finalised MMC's road testing for them in a couple of years or so.
