The most interesting thing I learnt today has to be that failure to separate your business and personal finance as a self-employed business owner can literally sabotage your chances of getting a visa.
https://travel.stackexchange.com/questions/98914/uk-visa-application-for-self-employed

As this year rounds off, I will definitely be making changes to my business and separating them professionally. Saw these two articles on the best way to do this:
1. https://www.msmehub.org/article/2019/09/how-to-separate-personal-finance-from-business-finance
2. https://squareup.com/us/en/townsquare/8-easy-ways-to-separate-your-personal-and-business-finances


If you have any more tips on how to handle this, please would appreciate if you share here so we can all learn.