Hi. I have been working as a full stack dev in a project which is about to be finished. The problem is that some silly bugs have bombed a couple of demos for possible subscribers (it's a SaaS) and the client is feeling like the software is not "stable enough" to go into production. I think the only way to improve its quality and stability right now would be lots of integration testing (we manually test it right now) but that could overflow my client's budget. Any other ideas on how to improve its stability and overall quality?