There is no limit to the number of counter offers that can be submitted back and forth. Here is a real example of five counters on a property listed at $415,000 in California. The buyer had submitted a lowball offer at $400,000. Seller counters sales price to $412,000.
Best Answer: It takes one to two weeks for black mold to start growing under damp, wet conditions. How long it takes to grow 1 to 2 ft up a wall ...depends on the room's temperature, moisture/humidity, type of material it's growing on (plaster, wood, cement etc) & if other types of mold spores were already on the wall & ceiling's surface.
The first step in solving an indoor mold problem is to remove the moisture source; new mold will begin to grow on moist, porous surfaces within 24 to 48 hours. There are a number of ways to prevent mold growth.