Setup a way to take care of the timeZone of the user.

Example:
If I'm on the East coast I should get the only payment I made today ( Eastern time )

Guessed:
Maybe with Message from Telegram?

Could be fun to add a Daily report / Month report

If the tag system is done, could give some great informations to the user. on how they spend their money

Let's remove Telegram Command and add some Human talk to this

Example:

• ( User ) I spend 50 bucks into a Video Game today again.
  Robert add 50$ to user Expense for today
• ( Robert ) Enjoy this Video Game, I'm sure it's good

Robert could catch the tone of a sentence and reply a custom message to it.

Write Simple documentation, about how to set up your own Robert Bot

• Firebase Setup
• Telegram Setup
• Command documentation

Let user use #tag in the message, so we can catch then an add them into the Collection