If you modify a building, set aside enough money to hire an architect and contractors.

FORBES: Magazine Article

Joan Claybrook, the top federal auto-safety regulator under President Jimmy Carter, said the stretch limousine industry is poorly regulated because the main agency that oversees car safety doesn't have enough money to prioritize investigating the small businesses that modify limos after they leave the assembly line.

NPR: Limo Driver: Fire Took 3 Minutes To Claim 5 Lives

If you modify a building and aren't a Handy Andy, set aside enough money to hire an architect and contractors.

FORBES: Magazine Article