Help with "lost" coins (says Double spend)

[hazeffs]

Hi

Im new here, tried to find answers, but failed.. will try my best to explain (kinda new)

I bought some bitcoins from localbitcoins and sent them to my electrum wallet.
And afterwards sent it to another site. (24h ago)
0 confirmations and i waited for 12h then my coins return to electrum, i tried once more same thing  and a third time.

Now it seems to be lost? it says Double spend! and Unspendable...

https://blockchain.info/tx/10c7a7cb1e18a7d57b7a14d9e8d4af9e30d8c5ce8537f24fad1651ebdaac3c51
and i can only see that transaction in electrum

appreciates if someone can help

[steven0021]

Double spending means that you tried to send the same bitcoins more than once. Only one of those 2 transactions will confirm and if those two transactions are payments to 2 different services/person then one of them will lose the payment. You (the sender) will not lose anything.

The reason why the first transaction takes a long time and ended up returning to your wallet is because you used a low fee. Use dynamic fee and set it to high to avoid this kind of problems.

[jonnybravo0311]

Transaction mentioned in OP has confirmed.  Thread can be locked.