Blog
Notes on doing the books properly.
Practical writing about rental accounting and taxes, plus the occasional look at how this software is put together.
Accounting·7 min read
Why double-entry matters, even for two properties
Single-entry bookkeeping is a list of transactions. Double-entry is a system that catches its own mistakes. The difference shows up exactly when the numbers start to matter.
Read the postTaxes·6 min
Set up your expense categories once, and stop dreading January
Most tax-time pain is not arithmetic. It is discovering that twelve months of records were never organised in the shape the form expects.
Engineering·5 min
Why your accounting software should never store money as a decimal
A short tour of the bug that quietly loses cents, why it is unavoidable in binary floating point, and what correct software does instead.