There is a pretty accurate way to appraise your own bike...as long as you are willing to be honest with yourself.
1)Ask yourself: How much would I sell my bike for? 5K, 9K, 12k, 20K? etc
Whatever your answer - half that amount - would you sell it for that? No? find the middlepoint between your original guess and the halfway amount- how about selling for that middlepoint amount? Think it through before you answer...if still No? Find the new middlepoint and keep doing this middlepoint narrowing until you arrive at your selling amount.
This provides you with an accurate assessment of what you believe your bike is worth.
2)Next, ask yourself: How much would I give some guy, to buy his bike? Assume it is were very close in appearance to yours. Remember you don't know any of that bike's history, abuses, parts swaps, possible clueless repairs, etc)? 5K, 10K, 15K?, etc.
Whatever the answer - double that amount - would you still buy it for that? No? Find the middlepoint and now, would you buy for that amount? No? Keep finding the new middlepoint until you settle on an amount you would buy for.
This provides you with what you believe a similar bike to yours is worth.
3)Finally, imagine you see an advertisement (on eBay for example) that sold a bike similar to yours, but for a price that was more (or less) than either amount you came up with. Would you...
a)immediately revise your estimate?
b)think the advert amount and buyer was out of line?
This provides you with a confidence level that the amounts you arrived at are accurate.
4)Now....between your final two amounts, where do you think the truthfull amount is? Hint: Its closer to 2) that to 1)
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