remind me how much money they spent and how long it took to film this after the events of the very first season

Don't know, don't care
Watch Blood Feast

>Principal photography for the second season was scheduled to start in July 2023 and was expected to last for "at least 10 months". Filming was reportedly underway in August 2023.[58] It took place at a film studio in Daejeon. Filming wrapped in July 2024 and was filmed back-to-back along with the upcoming third season.
no info on the budget, probably around twice as much as season 1 which cost $20m