A very interesting article from Immbaka which goes some way to point out the reasons for some very strange services proposal costs when clients seek simple (and not so simple) SaaS solutions:
http://www.ibbaka.com/blog/2017/6/10/pricing-professional-services-is-a-challenge-for-saas-companies
http://www.ibbaka.com/blog/2017/6/10/pricing-professional-services-is-a-challenge-for-saas-companies