I don't see what the problem is here 95% of my round is bi monthly
simply reply with £20 or £12 customers choice
people I found were much more keen to pay sometimes double the monthly
Just to see you less regular
I also started as a trail an irregular customer list
for example a £20 bi monthly job that cancels cos its too often has used us for £40 4 months since his £20 clean and he will likely use again 4 months In so we are still set to make £120 out of him in the year
Its actually quite funny they end up paying the same price but have less cleans per year Its actually better even for me I have another who is £60 for a £20 job if she has it more then 2x per year I'm up she had it jan now wants it may guess what £120 already she will most likely have it again in the year that's £180
The only annoying thing is the admin side of thing but get your head around that and it actually works out the same, these people do want clean windows and will pay more as they will even sack someone for £10 cos they want to be in control and will pay much more for it just the way they are

Less regular work aint all bad they also have payments ready
The best way is to always double the first clean and lower it baised on your defualt
In my case £40 then £20 in 2 months or £40 in 4 months if its 6 months its £60
If its 8-10 months or Anual that's the only way the customer will be ahead as I feel I won't be able to charge more then 3x but still its 3x the price for the rare Anual ones
Nice little earner in connection with the regulars and they ain't getting a special treatment so its fair to your regulars as they Are paying much more
I was so obsessed with regular and in the past would cut ties fast thinking lt was the best way now I've come round I think the best way is to offer them your defualt if they take it great if they cancel its normally
Cos its too regular If you want to make the most money it's best just to offer them what they want but at a different higher price think about the time and arguments you have trying to convince a customer to come round to a strict £12 monthly or 2 monthy
When all they do is cancel
Best just to charge more and see em in 6 months