Aug 18, 2026, 08:40 AM · ran 53 min
Merged four bank exports, de-duplicated 312 rows, categorised spend and flagged 11 suspected double charges.
datafinancecleanup
Four CSV exports attached, different column names. Merge them, categorise, and tell me anything that looks charged twice.
You · Aug 18, 2026, 08:40 AM
Normalised the headers and dates first. Found 312 exact duplicates from overlapping export windows, removed those.
Agent · Aug 18, 2026, 08:46 AM
11 charges look like genuine double billing — same merchant, same amount, within 48 hours. Listed on the second sheet with dates so you can dispute them.
Agent · Aug 18, 2026, 09:31 AM
Files produced
- expenses-merged.csvSpreadsheet · 1.2 MB
- suspected-duplicates.csvSpreadsheet · 14 KB