Why I Self-Host 7 RTX 5090 GPUs Instead of Using...

The Short Version I run seven NVIDIA RTX 5090 GPUs in my home. That's 224 GB of VRAM sitting in a single tower with a 32-core, 64-thread CPU. People on Reddit tell me I'm insane. Cloud providers tell me I'm leaving money on the table. My electricity bill tells me… well, let's not talk about that. But every morning, when ZSky AI serves thousands of users their first image in under two seconds — with zero cold-start latency, zero API rate limits, and zero permission from anyone else — I know I mad