If you see tallow in your dream, then such dream warns you to be aware of your own actions. There is a possibility that you will lose things you like, because of your negligence.
Dream dictionary: Tallow dream meanings
Dreaming of tallow, forebodes that your possessions of love and wealth will quickly vanish.
(Wax-chandler) In a dream, a chandler represents festivities, joy, happiness, death, illness, guidance, knowledge, desire, or crying.
(See Fat)
Peace and contentedness.
Wax candles are lucky, tallow ones bad luck tell.
…(Grease | Lubrication | Money | Prosperity | Tallow) If one sees himself having a fat tail like that of a sheep in a dream, it means that his livelihood will depend on the revenues of his offspring. If one eats the fat of a permissible animal (sheep, cattle, etcetera) in a dream, it means profits or owning a sizeable business. If one eats the fat of a non-permissible animal (beats, vultures, etcetera) in a dream, it means earning unlawful money, committing adultery, rejecting one’s religion or fostering forbidden acts. Using fat as medicine in a dream means recovering from an illness. Fat in a dream also means joy, happiness or festivities. In general, fat in a dream also could be interpreted to mean clean money, or net profits from which nothing is wasted….
(Tallow-chandler | Wax-chandler) In a dream, a chandler represents festivities, joy, happiness, death, illness, guidance, knowledge, wanting something, or crying for it. (Also see Candlestick)
(Tallow-chandler) In a dream, a chandler represents festivities, joy, happiness, death, illness, guidance, knowledge, desire, wantonness, or crying.