This is what an American Express card is for, you use it for your daily purchases, and you pay it off at the end of the month, no interest or fees. (other than annual fee). You get up to 20 days of float on your money also if you were to keep a money market account that you write just your mortgage payment out of etc, and use your Amex to pay everything else.
If place doesn't accept Amex, then I'd recommend Paypal's Mastercard debit card, you transfer money into it, so you're never going to overdraft it, and their fraud dept is really good, and they are prompt on their security investigations. Plus again, it pays you interest on any balance, and cash back on (credit) purchases.
For my business I made my merchant account (credit card processing) account a totally seperate account than my primary checking, I siphon money off every morning to the business account. But, that way if someone does a chargeback for a a large purchase and they put an investigatory hold on my account, I don't have vendor, payroll, mortgage checks bouncing... then again, I don't anyway, because I deal with a local regional bank (only 10 branches) that calls me anytime there is any problem, and gives me a few hours to make it right. This is why you don't deal with the bank of america's of the world. With a small bank all money deposited (including checks for anywhere) are available for withdrawl immediately, any overdrafts are recorded at night, and you have until 11am the next morning to make them good without paying any sort of fee, should you overdraft, they will go ahead and pay the item, and nearly all the time refund your overdraft fee if you talk to them. This is one way to get small loans, as they will let you overdraft your account and pay it back a couple days later for just a $30 fee... yes $30 might be alot on a $2500 loan but comes in handy in an emergency.
This is why you get off your lazy a$$ and go to the bank and make deposits, INSIDE the branch, not the drive through. You get to know your bankers, and they get to know you. My bank offers free remote deposit capture, including they will give you all the hardware, but I still go into the bank about 4 times a week, just to make myself known.