Amazon has Pokemon Detective Pikachu (Blu-ray) for $5.49 – $1.10 when you ‘clip’ the coupon on the product page = $4.39. Shipping is free for Prime Members or on $25+
Target has Pokemon Detective Pikachu (Blu-ray) for $5.49 – $1.10 when you ‘clip’ the "Save 20% on Books and Movies with Target Circle" coupon on the product page = $4.39. Shipping is Free w/ Target Red Card or orders $35+
Note: product page says this item may only ship with $35+ orders.