Jackont was allowed to postpone his military service for law studies at the Hebrew University of Jerusalem. During the summer breaks he would serve in the military, but was injured and became disabled. He stopped his studies and became a successful businessman, active in real estate, investements and insurance. From 1980 he writes next to his business endeavours. Almost all his books became bestsellers. From 1988 he worked as a literary editor for the Keter Publishing House.
In 1997 Jackont ceased his business activities to concentrate on his own writing and editing and on his history studies at the Tel Aviv University, were he also teaches history and literature. After completing his masters (2002), he has comleted his PhD degree at the same university (2006).
Since 2002 he is also active in business and relationship counseling, in workshops and TV programs. Some of these are conducted with his wife, radio show hostess Varda Rasiel-Jackont. Amnon and Varda Jackont live in Tel Aviv.
When a computer technician found that the problem was a Trojan horse program on his computer, Jackont reported the matter to police. The person responsible was eventually identified as Michael Haephrati, the ex-husband of Varda's daughter from a previous marriage, who had apparently written the Trojan horse. The same program was identified as having been used by three private detective agencies to collect information from the espionage victims on behalf of their competitors.