Starting Wealth at TL4 is $2000 ($4000 if Comfortable). 20% of this can be spend on “adventuring gear”, so $400 ($800 if comfortable). Note that the Basic Kit is not considered adventuring gear.
Obviously, this loadout as provided will exceed the budget of a normal Wealth hunter. Feel free to drop (or add, e.g. crossbow, sword, etc.) items to fit your budget and/or tastes.
This loadout is a modified form of the Budget Monster Hunter: Slayer (TL6) loadout from GURPS Loadouts: Monster Hunters, pp. 14-15, 26.
Basic Kit ($319.11, 11 lbs.)
Ordinary Clothing (p. B265-266) [Torso, Limbs]. Status 0. $120, 2 lbs.
Belt (p. HT31) [Torso]. $10, neg.
Boots (p. LT98) [Feet]. DR 2*. $80, 3 lbs.
Gloves (p. LT98) [Hands]. DR 1* vs. cutting. $15, 0.5 lbs.
Hat (p. HT64) [Head]. $60, 0.5 lb. Denotes status.
Personal Basics (p. B288) [Clothing]. $5, 1 lb.
Religious Symbol (p. HT31) [Neck]. $1, neg.
Waist Pack (p. HT54) [Sling]. Carries 10 lbs. $10, 1 lb.
2x Candles, Beeswax (p. LT33) [Waist Pack]. $18, 2 lb. Burns 12 hours with a minimum of smoke and smell.
Slayer Kit ($811.37, 32.2 lbs.)
Leather Long Coat (p. LT99) [Torso, Limbs]. DR 1. $250, 10 lbs.
Pocket Pistol (pp. LT93, 94) [Concealed]. $190, 0.7 lbs.
30x Rounds .33 caliber and Corned Power and Wadding (pp. LT87, 93) [???]. Dmg 1d pi. $4.95, 0.23 lbs.
Large Knife with Sheath (pp. B272, LT58, 67) [Belt]. $40, 1 lb.
Blunderbuss (pp. LT92) [Sling]. $165, 11.2 lbs.
Shotgun Sling (p. HT154) [Torso]. As for rifle sling. $10, 1 lb.
21x Rounds .62 caliber and Corned Power and Wadding, (pp. LT87, 92) [???]. $21.42, 1.07 lbs. Dmg 1d pi.
2x Rocket (p. LT40) [Waist Pack]. $40, 2 lbs.
Paper Bomb (p. LT85) [Waist Pack]. $100, 5 lb.
Optional Lens: Supernatural Slayer ($552.00, 15.165 lbs.)
Make religious symbol silver (p. B275). $19.
12x Rounds .33 caliber Silver and Corned Power and Wadding (pp. LT87, 93) [???]. Dmg 1d pi. $82.20, 0.085 lbs.
Garlic (pp. HT167, 168). Free. To pack on top of shot.
7x Rounds .62 caliber Silver and Corned Power and Wadding, (pp. LT87, 92) [???]. $317.80, 0.33 lbs. Dmg 1d pi.
5x Shotgun Stakes (p. 12) [Waist Pack]. $20, 2.5 lbs.
Give knife a silver edge (p. B275). $80.
2x Wooden Stakes (p. B272) [Waist Pack]. $8, 1 lb.
Hammer (p. HT25) [Belt Loop]. $15, 3 lbs.
Wineskin (p. B288) [Belt]. Holds 1 gallon of holy water (p. 11) or other useful liquid. Includes 1 gallon of holy water (8 lbs./full gallon). $10, 0.25 lbs.