Storage solution for Lego Investment (Survey)

Hi everyone, a LEGO investment friend of mine recently ran into a common problem: too many sealed sets and not enough proper storage space, especially space that is dry, secure, and suitable for long-term storage. I personally have access to a large warehouse/hall that is currently underutilized. During our discussion, the idea came up to use this space specifically as a LEGO storage facility, clean, dry, secure, and used exclusively for LEGO sets (no mixed goods). Before taking this...