Spreadsheet Uploads

Update Use Details - Common issues
Do you have any troubleshooting tips for upload spreadsheets?
Step-by-step instructions: add properties using spreadsheets
"Add Meters to Existing Properties" - different meters for each property
How do I use the spreadsheet uploads?
Can I reuse a template that I previously generated?
Can I reverse a spreadsheet upload once it has posted with a status of "success"?
I'm getting an error about numeric values for dates when uploading.
The spreadsheets are locked - how do I filter, sort, insert, delete...?
Is there a limit on rows using the spreadsheet templates?
I want to upload meter bills for 2 different meters, but I don't have the same number of bills.
Can I use formulas in my spreadsheet?