In 2018, LEGO released 3 Promotional LEGO Brand Stores sets, all of these sets have been retired. For that year, the total price of all retail sets cost $25, today those sets are valued around $101, a growth of 304%.
Most valuable 2018 LEGO Promotional LEGO Brand Stores set
40305 Microscale LEGO Brand Store $39.99
3 sets

40305 Microscale LEGO Brand Store

Theme / Subtheme Promotional / LEGO Brand Stores
Year 2018
Pieces / Minifigs 362 / 2
Availability Retired
40305 Microscale LEGO Brand Store
Retail $24.99
Value $39.99
Growth  +60.0%
Annual growth 7.5%

5005358 Minifigure Factory

Theme / Subtheme Promotional / LEGO Brand Stores
Year 2018
Pieces / Minifigs 86 / 1
Availability Retired
5005358 Minifigure Factory
promotional
Value $25.88
Annual growth 3.1%

Three Kidsfest Minifigures

Theme / Subtheme Promotional / LEGO Brand Stores
Year 2018
Minifigs 3
Availability Retired
Three Kidsfest Minifigures
promotional
Value $34.99
Annual growth 34.4%