What are the text messages to increase the rent for tenants?

After thinking for a long time, I decided to raise the rent from next year. According to the market situation, it will increase by about 35% on the existing basis, which seems a bit harsh, but I can't help it. My business has not improved in recent years, and I am eating my own money every day.

I just sent a short message to the tenant, and it took a few minutes to read the screen before it came out! This seems a bit difficult to do, just like the landlord is doomed to be a bad person? I hope it won't cause too much impact on their family.

Our landlord is even more arrogant, violating the contract, verbally saying that we should move, decorate and rent a good price, not to mention foreigners, and locals can't afford to rent a house. The problem is that those who don't have a house may be evicted by the landlord at any time for any reason.