If you can create 45 for $2 a box, you should sell it for $10! That's one hell of a margin. $8 profit instead of shooting 7 boxes a day is 20 grand a year net. Well, packaging, shipping, etc would eat into that but you could use your shooting time to make even more instead. Not bad for a side job.
looked into it but unless you can produce huge amounts and get linked up with a major outlet for resale the money invested will be a wash to what you make.
rent(since you cannot operate a reloading business in a home)
I found long ago that the fastest way to kill a hobby is do it as a job.