There have been lots (I mean lots) of questions regarding the topics of WILD. If you search around a bit, you might find your questions have already been answered.
[spoiler]Here is a list of some threads about WILD that I may or may not have posted in already:
https://community.ld4all.com/t/yet-another-wild-thread/30791
https://community.ld4all.com/t/has-anyone-ever-succeded-with-wild/30782
https://community.ld4all.com/t/trying-wild/30807
https://community.ld4all.com/t/wild-general-hints/30780
https://community.ld4all.com/t/wild-opened-or-closed-eyes/30775
https://community.ld4all.com/t/successful-wild-without-me-knowing/30716
https://community.ld4all.com/t/trouble-with-wild/30737
And that’s just skimming the surface 
[/spoiler]