Those bitcoin accelerators are crap to be honest.
Discussion
A life saver when you need it. Unpaid $40 to have a 6M sat transaction get confirmed that otherwise still wouldn't have been cleared. It was absolutely worth it and I would do it again and again.
https://docs.lightning.engineering/lightning-network-tools/lnd/unconfirmed-bitcoin-transactions
"Out of band channel fees
Some providers will promise to accelerate the confirmation time of your transaction by letting you pay miners out of band directly. While this is generally possible, there often is no way to prove that the provider really has the ability to do so, e.g. is mining bitcoin themselves or connected to miners who do."
