Hi - I'm looking to transition into a career in HR after 20 years in sales/business development. There are 3 CIPD course options available to me at NCI in Dublin, each with more content (and therefore a higher fee): certificate in HRM, diploma in HRM, and post-grad diploma in HRM. I'm drawn towards the latter of the three as it's the most comprehensive and I have no work experience in this discipline yet, so my thinking is that this will help me to secure an appropriate role without so much of a dip in salary. But is this the best choice? Would it be better to just do the foundation (certificate) course, invest less money, and this would be enough to help me open some doors to get into a HR department and start working my way up with on-the-job experience (potentially even being sent on another course by an employer at a later date)? Any and all advice welcome! 

Many thanks in advance