It "normally" takes at least four months for the IRS to process an amended return. During the pandemic it has been taking MUCH longer. So do not expect quick results from amending--you will likely be waiting for at least six months or more. When they send a refund for an amended return, it will not be by direct deposit. The IRS mails a check to the address on your tax return.
You can watch for information here:
https://www.irs.gov/Filing/Individuals/Amended-Returns-(Form-1040-X)/Wheres-My-Amended-Return-1
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**