Work-life balance/ Business

to drum up business 

to try to get customers

To balance the books

to not spend more money than you are earning

to earn a living

to earn money

to go bust/to go under

when a business is forced to close because it is unsuccessful

to have a lot on your plate

juggling a ton of responsibilities, tasks, or problems at once, making you feel completely overwhelmed

a demanding/heavy/overwhelming workload

large amount of work to be done

to be mentally drained

your brain is running on empty from prolonged stress, overwork, or emotional strain

diminishing returns 

a situation in which less and less is achieved despite the use of increasing amounts of effort or money

a productivity slump

a period of decreased motivation, energy, or output

to be stretched thin

to try to do too many things at the same time , so that you can’t give enough time or attention to any of them