Measure it. Buy it. Bid it.

Sod costs $1.70 to $2.60 per sq ft installed, and a pallet runs $110 to $375. See prices by grass type and lawn size, plus DIY costs.

A retaining wall costs $20 to $50 per sq ft of face, about $6,300 on average. See costs by size and material, plus a DIY block wall materials list.

A paver patio costs $8 to $24 per sq ft installed. See prices by size and paver type, what adds to the cost, and a DIY materials list for a 12×16 patio.

A concrete patio costs $6 to $12 per sq ft installed, or $12 to $20+ stamped. See costs by size and finish, plus DIY material lists for common slabs.

A new gravel driveway costs $4 to $6 per sq ft installed, or $1.25 to $3 to resurface. See gravel prices per ton, costs by driveway size, and DIY savings.

Painting a room costs $400 to $1,600 with a pro, or $100 to $300 DIY. See prices by room size and type, paint costs per gallon, and ways to save.