To dream of sand, is indicative of famine and losses.

Symbolic of troubles or trials in life, Ps. 83:13-15

Soil, sand and dust symbolize wealth in the form of goods, if someone sees soil, Sand or dust flying on him or he sees himself eating it, it suggest that...

(See Hourglass)

If a person sees himself walking on sand or picking up sand, it means he will have to toil very hard in order to become wealthy.

Supporting your balancing abilities.

Unstable balancing.