Some have questioned the 75315 Imperial Light Cruiser and 75302 Imperial Shuttle as investments. Give them some time. The Shuttle has an exclusive version of Darth Vader while the Light Cruiser has Moff Gideon and Fennec Shand (Helmet) (this one is in another set, The Justifier). It astounds me what people are willing to pay for exclusive minfigures.
Some of Star Wars sets, initially possibly not seen as investment winners, that have gone up in value to varying degrees largely because of exclusive and unique figures: I am sure I am missing some.
75158 Rebel Combat Frigate (Ahsoka Tano)
75103 First Order Transporter (Captain Phasma)
75096 Sith Infiltrator (Qui-Gon Jinn)
75201 First Order AT-ST (Captain Phasma). Yes, this is one is questionable.
The same may be said of this set one day:
75273 Poe Dameron's X-wing Fighter (Knight of Ren (Vicrul)