gsa ser settings

Hello, is there any way to set more efectivly GSA SER to scrape URL, because i have scrapebox and that is million times faster, but problem is that it freezes in the middle of the process and if i add to many KWS and want to stop harvesting and add new proxies after i hit stop/pause harvesting...

I have started using GSA SER recently but was not able to get effective results as stated by many users. Can anyone help me to know what steps or Pattern should I follow or what are the things I need to take care of while building a project. Does we have to work upon hit and trial method for...