I had 2 thunder gun bp and I lost my first from being stupid, yeah... anyway I made it back to 5 mil crafted it, and I was at 100k this happened recently and now I'm at 1mil... its really not that hard to make a mil I made it in under an hour
TIPS:
Grow weed and carrots at the same time;Buy Drug Labs and Buy LSD
Buy the Best Printer you can get!
Be Patient and make a Hidden Base;
And Bam you have 1 mil in 1 hour