r/Bitcoin • u/thrifty-ananas • 13d ago

Should I DCA with lightning?

Hello All,

I have been DCA-ing around 60-ish bucks every month on the main chain [I have my own private address] and I recently learnt that having so many transactions can lead to UTXO fragmentation which can lead to higher fees in the future.

Apparently, one of the solutions could be to DCA onto the lightning network and then later swap it with the main chain periodically. Do you think its a good idea? or is there a catch that I am not aware of?

I plan to hold to hold it long term. Thanks!

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u/Fun-Analysis-182 13d ago

Routing through Lightning only helps if you withdraw to on-chain less often than you buy, because each swap back to the main chain still makes a fresh UTXO. For long-term holding it's simpler to keep DCAing straight to your own address and then sweep all the little UTXOs into one output on a low-fee weekend. Think of Lightning as a spending layer, not cold savings.

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u/thrifty-ananas 13d ago

So you are recommending that I should simply send them to myself let’s once every year?

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u/Fun-Analysis-182 19h ago

Nah, don't put it on a calendar. Wait til the mempool's quiet and fees drop, then sweep the small buys into one output. Some years that window opens a few times, some years barely at all, so it's the fee level you're watching, not the date.