Script Summary: Rounds prices on amazon.com to beat pricing mind tricks. Takes prices like $5.99 and rounds to $6 dollars. The rounding threshold changes based on the relative cost. By default, a $127.38 item gets rounded to $125 dollars. Allows for custom rounding rules since v1.1.0.
Version: 1.1.1
roundShopper rounds prices on amazon.com to beat pricing mind tricks.
Takes prices like $5.99 and rounds to $6 dollars.
The rounding threshold changes based on the relative cost. A $127.38 item gets rounded to $125 dollars.
v.1.1.1 Fixed parsing error on large number (>=1,000) comma digit separators.
As of version 1.1.0, there is support for user-defined rules.
By default, the rounding rules are:
| Range | Precision | |
| <$1.00 | round to nearest | $0.10 |
| <$5.00 | round to nearest | $0.25 |
| <$10.00 | round to nearest | $0.50 |
| <$25.00 | round to nearest | $1.00 |
| <$50.00 | round to nearest | $5.00 |
| <$100.00 | round to nearest | $10.00 |
| <$250.00 | round to nearest | $25.00 |
| <$500.00 | round to nearest | $50.00 |
| <$1000.00 | round to nearest | $100.00 |
| >$1000.00 | round to nearest | $250.00 |
You can access the settings panel at the top of any amazon page, with a link named "roundshopper settings". You can define the upper limit for each setting and the corresponding rounding amount. Input is expected without the dollar sign: e.g., 1.25, 5, 0.25, and 250.00 are all acceptable values.



