We owned a repair and custom build retail store, and after 3 very successful years, with sales of more than 30K a month, Dell brought out their $1000 system, and people stopped reparing their machines. Just like the TV and VSH industry, most electronics are cheeper to replace, than fix.
When Best Buy built in our city, it was the last nail in the coffin, when we couldn't buy parts at wholesale, any cheaper than what BB was selling off the shelfs - and then the swan song began.
Be very careful of your marketing research, for your area. My very best suggestion is to go to your local branch of the
SBA and get their take on the viability of your biz.
What a dang shame, when well educated and honored graduates are thinking about blue collar jobs - with white collar credentials. And here I am, community college educated, and I make 50K a year
talking to wankers on the phone.
My Daddy was right .. find a hobby, and make it into a job.