Originally Posted by
TugaDude
Not being a negative Nancy here but this is a terrible longterm strategy. Fun maybe, but foolish. You have as much chance of the bike's value increasing as you have your grandson selling them for scrap because he just wants rid of them. Your passion does not equal his. I doubt you'd even keep up with inflation. Your aim is very generous and I applaud you for wanting to help your family but there are much safer ways.
Buy 'em to ride 'em. Invest elsewhere. Too much maintenance (rubber and grease need replacing over time), and they require too much storage room. Better off with savings bonds. However, if you see a high-end Japanese road bike in good shape at a tag sale for $10 .... buy it!