This is the second life lost in the last few years in the upstate area where a jack failed, lowered down on someone and suffocated them. Your life is worth more than the few seconds you save by not using jack stands.
Put jackstands in place, lower the car down on them and then tap them with a hammer to make sure they are solid before climbing under the car. One of the people who died this way attended a SWCCCR meeting 2 weeks before it happened. Don't think it can't happen to you.
Ted Theodore
2004 Westfield 7 Megabusa - "The Warlock" 1993 Miata CSP #88 - "Elvira" 2000 BMW M Roadster 2012 Fiat 500C