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SHSS | 1 years ago (raw) | root | parent | reply | flag +3 
 As big as you can. You can always buy smaller UTXOs in the future, but you might not be able to buy large ones and consolidating when fees are high won’t be fun.
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bevo | 1 years ago (raw) | root | parent | reply | flag +3 
 Still need to be mindful of having just one large one. Reason is when you spend the size of your stack will be revealed. Spending a whole coin utxo today to buy a T-shirt for 50 bucks creates a change ouput of 27,000 dollars worth of sats for example. Me personally I  think it’s good to have a few smaller ones depending on your spending habits of course. It’s very subjective and I realize everyone’s situation will be different.
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SHSS | 1 years ago (raw) | root | parent | reply | flag 
 Yep. My response assumed one would continue to stack on a consistent basis for years to come. 

For people looking to get in now and do a one time allocation then having a single utxo is not ideal for the reasons you mentioned.
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bevo | 1 years ago (raw) | root | parent | reply | flag +1 
 Yep. That said I cleaned up some two months worth of utxo’s while I slept last night at 4 sat/vb. Rinse repeat
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e9cfa0b9 | 11 months ago (raw) | root | parent | reply | flag 
 Unchained has an article that should help you. I found the first table under fee protection goes beyond dust section very usfull to decide on the UTXO size.

Hope this help.

https://unchained.com/blog/small-utxo-bitcoin-dust/