Doing taxes for a lightning node isn't hard
ToolsThunderHub CSV exports for lightning node taxes
Quote
what I do is I go into, I go into thunder hub, and just export everything for the year there's there's basically six files you get in there split up into on chain, and lightning.
Episode 126: Podcasting Power Rangers (episode page, opens in a new tab) 01:37:41 (play audio from this timestamp, opens in a new tab)
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Summary
Dave exports the year's six CSV reports from ThunderHub (on-chain fees/receives/sends; lightning forwards/payments/invoices), drops channel-open on-chain sends, sums income and expenses in a spreadsheet (fiat values included), and sends it to the accountant.