when you are that new to SER may be you download site list from > options > advanced > tools > search online for sitelists select exactly the engines you want \do a few at a time, else it may take days for download with limited resources for SER submissions
that will build up a beginners site list do a live check = clean up in SER for imported lists
later you may build your sitelist using SB = EXT link extraction addon
the true treasure in your global sitelist are the "identified" (not yet used) and thus potential NEW domains / IPs that list builds up to hundreds of thousands soon
Comments
may be you download site list from
> options > advanced > tools > search online for sitelists
select exactly the engines you want
\do a few at a time, else it may take days for download with limited resources for SER submissions
that will build up a beginners site list
do a live check = clean up in SER for imported lists
later you may build your sitelist using SB = EXT link extraction addon
that list builds up to hundreds of thousands soon