Here's my rule for estimating time: figure out how long it should take and multiply that by 3. This has worked out to be in the right area about 80% of the tim

Here's my rule for estimating time: figure out how long it should take and multiply that by 3. This has worked out to be in the right area about 80% of the time. I have one particular client where I bumped the multiplier up to 4 because of how often they ask for major changes halfway through the work.