Why do you think it is getting mroe difficult ? plenty of people being approved. you are nearly half way there with what you applied for the 60 day TV.
There is no mandatory income requirement, you can explain you have taken up a new position in a cover letter. If you have a 2024 tax return that will also help.
Anonymous participant They like to see a contract of employment, salary deposits on bank statements. If on a career break then explain that in a cover letter.