This depends on how many jobs you want and 3 main factors.
1. Cost per lead (Down to us)
2. Cost per appointment (Down to us, depends how well we're converting the leads to appointment)
3. Cost per sale (Depends on your sales skills, what % of appointments you convert to sale)
Some maths you can use to estimate:
Our average CPL is £20
Our average appointment booking rate is 20% meaning £100 per qualified appointment
Let's say you conversion rate is 25% on appointments. So to get 1 sale you need 4 appointments.
Meaning your cost per sale would be £400
Lets say you want an extra 5 jobs a month you would need to spent £2k in ad spend.