You have two problems:
An unresponsive client
Your bank balance
Only the bank balance is easy to change.
One suggestion is to call the place where you put in the purchase order and attempt to do a return / reversal of the purchase order.
Another suggestion is to see about getting a loan to put your bank balance positive (such as doing a cash advance on a ...
It seems the problem is not merely the bad check, but rather the unresponsive client.
Generally, unresponsive clients need to be forced into again being responsive; merely appealing to their non-existent sense of decency (almost) never works.
Whether this matter is worth pursuing depends on a number of factors:
The amount in question; is it trivial or ...
Stop communicating with your client, because they will either ghost you (net positive), or make up excuses and keep abusing your trust (net negative).
If you think they knew ahead of time they wouldn't have the money, you can file a police report for writing a bad cheque. It is doubtful you'll get any update, and doesn't get you the money anyways.
At this ...
IMO you should bug the client for payment. Keep a log of the dates you talk/email to him requesting payment. If he hasn't paid by the end of the year just write it off as a bad debt on your taxes (if you're in the USA). I've learned this the hard way too.
I only accept projects where a client is willing to pay at least 1/3 of the cost of the site upfront. ...
Sometimes the money is not worth it.
I offer discounted prices for well-behaved clients, and I overcharged the ones that are, well, no good people.
Here's how you've got to look at it, the client is paying for you, which means that every resource he asks for that you need to use, has to be paid for.
Is he paying for your blogging skills only? I don't think ...