that's what i am doing for over 20 years now... I finally desire a full library to choose from - I tend to build complete parks in sandbox mode at maximum size which usually takes 150 in-game years, then i set the construction year to 0/renew all rides via cheat and open it and just watch the peeps having fun for months (doing slight alterations of course as well). But having to choose which coasters and stalls to put in the library is a pain when building huge parks, and I also run out of staff as well - so i'll wait until its implemented, please hurry and thank you very much!
(and i can