Babysitting Job with twins?

So I’m a single stay at home mom of 8 month old twins, looking for a way to make extra money. I’m 23 and have around 10 years experience with childcare (summer camp, nanny, indoor playground,babysitting ) and I was thinking about babysitting again. I have been babysitting occasionally for my friend who has a 1 year old son and 5 year old daughter and I bring my kids with me... I manage really well with them...I also have a car so I can drive to their homes, I’d have to do that for now as I’m living with family for a short while until I get my own place which would be more spacious... so I was wondering if this is a workable idea? Babysitting kid(s) and bringing along my own 2? Or would people not be comfortable as I have my own 2 kids and they May feel like I won’t be able to give their children enough attention ? Any advice/opinions would be appreciated… I’m thinking about making a poster too.. thank you in advance