If you’re utilizing default steered price and the overall price of your transaction (TX) may be very excessive, then the reason being per my understanding both that
A) the Bitcoin has presently too many transactions to substantiate (so the charges are excessive). You might test it at https://bitcoinfees.internet
B) your TX dimension (in bytes) is excessive because of for instance excessive variety of unspent transaction outputs (UTXO) which can be going to be spend in your new TX. One can customise and reduce Satoshi/byte price of the TX and wait longer time for the affirmation. For those who can afford sending decrease quantity and ship the remainder later, then different choice is to attenuate variety of talked about UTXO that might be utilized in your TX (decreasing whole TX byte dimension which can lower the price that relies on it). In Electrum pockets app, it’s Cash tab and Coin management choice, deciding on low variety of larger UTXO). But if you wish to sweep all funds, you could must spend all UTXO anyway quickly or later – however possibly schedule it for the time when community might be utilized decrease: https://jochen-hoenicke.de/queue/#BTCpercent20(defaultpercent20mempool),1y,depend – it could assist to estimate how usually there are intervals of low charges. Btw. some BTC servers has restrict of minimal accepted sat/byte, although you could change used server in lots of pockets apps.