I need to rebuild my new organization's website from the ground up (on Wordpress), while simultaneously keeping the existing (Squarespace) website going. Can I keep the current site live, build out the new one at ourorganization.wordpress.com, and then swap the domain to point to Wordpress when I'm ready to launch? More importantly: would such a transfer be too complicated for someone who is not a back-end web developer to handle? This is probably a super basic question but I couldn't figure out how to search for it. If there are there any other considerations that I'm not factoring in, please let me know. Thanks!