Well this was meant as a Trainsplit question but in terms of splitting it's this JB_B:
Horsham to Gatwick Anytime Day Single £6.00
Gatwick to East Croydon Anytime Day Single £5.40
East Croydon to London Z1-5 Anytime Day Single £9.00
Marylebone to Kidderminster Advance Single £9.00
Kidderminster to Marylebone Advance Single £7.50
Horsham to London Travelcard Z1-6 Super Off-Peak £14.40 (Network Railcard discount)
The £52.06 split on Trainsplit mentioned by Romilly was the sort of thing I was looking for. The "answer" to use High Wycombe and Solihull as pass-through - how would I know to do that?! So ok I do now
So for my next trip I can post up the Destination here and the Advance options I need on Trainsplit will be posted here manually by kind members
I'd be happy with that if that is the solution?