Had 3 i've quoted at £9, should've been £10 really but like all newbies, i quoted just to get the job, they've all paid me £10 anyway
Go for the tenner mate, you would have still got it.
It's a trap not to fall into, it's easier to build a good round, than to build a cheap round then try to up your prices when full. The customer bass you need to build is for a price you want to work for, keeps you going back & that's what most custys want, regular & reliable, if the job is a tenner quote it.