This should help you with those settings, but just ask if you need more help:
If you dont specify a folder it will save in the systems roms folder.
# Save all save states (*.state) to this directory.
# This will be overridden by explicit command line options.
# savestate_directory =
# Automatically saves a savestate at the end of RetroArch's lifetime.
# The path is $SRAM_PATH.auto.
# RetroArch will automatically load any savestate with this path on startup if savestate_auto_load is set.
savestate_auto_save = false
savestate_auto_load = false