The inability to make your rent payment on time can be quite stressful. Sometimes we face situations where we do not have readily available cash.
Such jobs pay $20-$25 per hour depending on the location and if you take it up regularly for a few hours, imagine all the extra money you can make.
You can leverage your skills and find work online. For instance, if you can write well, get a content-writing job on Fiverr, FlexJobs, or Upwork.
If you have some money to pay as a percentage of the total rent, you could try talking to your landlord to work things out.
Have a good look around the house and see if you have something valuable that you can sell to raise rent money instantly.
If your financial woes are only temporary and you expect to have enough money later, you could always ask a relative or a friend to help you.