Easy Money Glitch (Tomb of the King)
In the "Tomb of the King" level, you are offered the Sword, Shield, and Armor 2 items. Take the sword and shield, but leave the armor. You can exit to the main menu from there and sell the sword and shield to the vendor for around $1500, then resume play from the last checkpoint you activated (about a minute and a half away from the items). The sword and shield will be back where you found them. They will always reappear there until you pick up the armor, which triggers an automatic checkpoint. If you're careful, you can take advantage of the glitch by repeatedly grabbing and selling the sword and shield, until you have all the money you want. Then you can pick up all three items and resume play as normal.
Try to cover every inch in search of pots/barrels to break, treasure chests to kick open and piles of gold to grab.
When enemy attack, around engage them one at a time.
It is in your best interest to amass a pile of junk left by the skeletons cuse you can sell those for gold. You always can puchase gold if needed.
Each weapon has a certain speed/damage ratio: Axes have normal attack speeds and do above average damage, Hammers and Mallets have slower attack speeds but do extreme damage, while Blades have fast attack speeds but do below average damage.
Keep health or armour potions to hand for boss battles and keep in mind that armor regenerates quicker than health.
Try to unlock all four skill slots and put them to best use to defeat large groups of enemies.