tarkov.dev's live price service is down, so flea prices are from its data feed as of 12 Nov, 20:00 UTC — they refresh automatically.

238 items. Stackables such as ammo and money are left out.

#	Item	Size	Best value	Per slot
201	Cold storage room key	1×1	₽19,380 Therapist	₽19,380
202	Health Resort west wing room 323 key	1×1	₽19,169 Flea, after ~₽2,107 fee	₽19,169
203	Convenience store storage room key	1×1	₽18,610 Flea, after ~₽1,838 fee	₽18,610
204	Health Resort west wing room 309 key	1×1	₽18,383 Flea, after ~₽2,088 fee	₽18,383
205	Weapon safe key	1×1	₽18,243 Flea, after ~₽10,383 fee	₽18,243
206	PE teacher's office key	1×1	₽18,116 Flea, after ~₽1,974 fee	₽18,116
207	VAZ car key	1×1	₽17,134 Flea, after ~₽4,810 fee	₽17,134
208	Missam forklift key	1×1	₽17,123 Flea, after ~₽2,636 fee	₽17,123
209	RB-RH key	1×1	₽16,903 Flea, after ~₽1,671 fee	₽16,903
210	Portable bunkhouse key	1×1	₽15,647 Flea, after ~₽2,507 fee	₽15,647
211	Dorm room 214 key	1×1	₽15,427 Flea, after ~₽2,345 fee	₽15,427
212	Dorm room 104 key	1×1	₽15,055 Flea, after ~₽2,035 fee	₽15,055
213	"Negotiation" room key	1×1	₽14,971 Flea, after ~₽1,608 fee	₽14,971
214	USEC cottage room key	1×1	₽14,939 Flea, after ~₽1,785 fee	₽14,939
215	Health Resort east wing room 213 key	1×1	₽14,585 Flea, after ~₽1,576 fee	₽14,585
216	SMW car key	1×1	₽14,490 Flea, after ~₽1,409 fee	₽14,490
217	Folding car key	1×1	₽13,115 Flea, after ~₽3,608 fee	₽13,115
218	Dorm room 103 key	1×1	₽12,323 Flea, after ~₽1,569 fee	₽12,323
219	Dorm room 206 key	1×1	₽11,976 Flea, after ~₽2,640 fee	₽11,976
220	Dorm room 108 key	1×1	₽11,925 Flea, after ~₽1,197 fee	₽11,925
221	Dorm room 203 key	1×1	₽11,851 Flea, after ~₽1,509 fee	₽11,851
222	Horse restaurant toilet key	1×1	₽9,700 Therapist	₽9,700
223	Unity Credit Bank archive room key	1×1	₽9,700 Therapist	₽9,700
224	Yotota car key	1×1	₽9,505 Flea, after ~₽2,369 fee	₽9,505
225	Unity Credit Bank cash register key	1×1	₽7,611 Flea, after ~₽1,049 fee	₽7,611
226	Security post key	1×1	₽6,862 Therapist	₽6,862
227	Underground parking utility room key	1×1	₽5,133 Flea, after ~₽774 fee	₽5,133
228	Trailer park portable cabin key	1×1	₽4,734 Flea, after ~₽602 fee	₽4,734
229	Corpse room key	1×1	₽3,399 Therapist	₽3,399
230	Rusted bloody key	1×1	₽3,399 Therapist	₽3,399
231	Pumping station front door key	1×1	₽2,688 Therapist	₽2,688
232	Primorsky 46-48 skybridge key	1×1	₽2,619 Therapist	₽2,619
233	Pumping station back door key	1×1	₽2,615 Therapist	₽2,615
234	Machinery key	1×1	₽1,027 Therapist	₽1,027
235	Backup hideout key	1×1	₽868 Therapist	₽868
236	Unknown key	1×1	₽818 Therapist	₽818
237	Lighthouse island stash key	1×1	₽510 Therapist	₽510
238	Folding car key	1×1	₽51 Therapist	₽51