While it is useless and even counter-productive to worry about either the past or the future, we do of course need to be concerned about the present. This is why being in a desperate situation may not be the best time to start any new venture. In any case, it might go a long way to first of all take care of your immediate needs.
For example if you have suddenly lost your job, you may have severance pay or unemployment insurance. So this does give you a way to pay your bills while you are looking for a job and you don’t have to worry; however, be aware that there is an end-date when your benefits will run out and it is necessary to have some other way to earn a living right then and there and preferably sooner.
You really should focus on getting at least a part-time job to cover your living expenses while you are starting any new business. It’s no good to depend on credit cards either for business expenses or living expenses so just don’t even cons