fixfinder function to work around Finder windows not remembering last location. Add to ~/.zshrc. Run to reset Finder preferences and set desired placement. Re-open Finder and configure window placement.

fixfinder.sh

fixfinder() {
    defaults delete com.apple.finder
    killall Finder
    defaults write NSGlobalDomain "NSTableViewDefaultSizeMode" -int "3"
    defaults write com.apple.finder "ShowPathbar" -bool "true"
    defaults write com.apple.finder "_FXSortFoldersFirst" -bool "true"
    defaults write com.apple.finder "FXDefaultSearchScope" -string "SCcf"
    defaults write com.apple.finder "FXEnableExtensionChangeWarning" -bool "false"
    defaults write com.apple.finder "_FXSortFoldersFirstOnDesktop" -bool "true"
    defaults write com.apple.finder _FXEnableColumnAutoSizing -bool YES
    defaults write com.apple.finder NewWindowTarget -string "Pfhm"
    defaults write com.apple.finder "FXPreferredGroupBy" 'Kind'
    defaults write com.apple.finder "NSToolbar Configuration Browser" '{"TB Default Item Identifiers"=("com.apple.finder.BACK","com.apple.finder.SWCH",NSToolbarSpaceItem,"com.apple.finder.ARNG",NSToolbarSpaceItem,"com.apple.finder.SHAR","com.apple.finder.LABL","com.apple.finder.ACTN",NSToolbarSpaceItem,"com.apple.finder.SRCH",);"TB Display Mode"=2;"TB Icon Size Mode"=1;"TB Is Shown"=1;"TB Item Identifiers"=("com.apple.finder.BACK","com.apple.finder.SWCH",NSToolbarSpaceItem,"com.apple.finder.ARNG",NSToolbarSpaceItem,"com.apple.finder.SHAR","com.apple.finder.NFLD","com.apple.finder.TRSH","com.apple.finder.LABL","com.apple.finder.ACTN",NSToolbarSpaceItem,"com.apple.finder.SRCH",);"TB Size Mode"=1;}'
}