Based on rough costs of insurance say €2500, application fee €1500, exam fee for some, almost all ( est €500 ), cost to maintain annual QFA designation say €180, set up costs website €700, establish office well costs will vary here but say €1000 for a virtual office and sundry additional costs of say €500 I make it about €6500 before travel costs to client / to bank, office costs, postage, mobile phone etc
Working from home will not reduce this much as you will have to have a functioning office with strong administrative skills .
Recovery of outlay and payment for your time and expertise as a qualified PIP is uncertain, as a PIP you can recommend on behalf of a debtor but the creditor does not have to agree, no agreement = no payment for your time, there will be a lot of this.
I am already working for clients in mediating agreements with their Banks and I know first hand the challenges. There is nothing in this for the small sole trader PIP only hassle, hassle from clients is only the start, I cannot see how minimum wage will be earned by a sole trader PIP, this is for the big guys only who can achieve economies of scale, another monpoly has been created.