Show All Items. Flux is used in soldering to remove oxides from the contacts of the parts to be soldered together. Fluxes can be made from hydrochloric acid, zinc chloride or rosin. Here is a simple and easy homemade rosin flux made from pine cones.
It will cost $2,400 to acquire a small ice cream cart. Cart sales are expected to be $1,600 a year for three years. After the three years, the cart is expected to be worthless as that is the expected remaining life of the cooling system.
How much does it cost to open a coffee business? 1  Coffee Cart: Average cost is between $20,000-$25,000. 2  Kiosk: Depending on the size and your menu, average costs are between $25,000-$75,000.  Drive-Thru: We have heard of entrepreneurs who have opened very small units for less than $35,000.