To detox your kidneys make sure to drink one teaspoon to a tablespoon of apple cide vinegar in a glass of water everyday this would help balance blood sugar levels and reduce blood pressure and flush out toxin in your kidneys at this point make sure your learn some remedies at home while on the search for a great doctor , it sounds like you know some of the issue your having so do research on that
In April and may your bill will be the highest because is the summertime I advise only using ac towards night time and daytime just go to a cafe but if you got kids and all probably best to find an affordable spot where you can use the ac all the time