[mydas]

2. In amxmodx\configs\shero\shconfig.cfg, set "sh_maxbinds" to 2, so it becomes:
sh_maxbinds 2
//Number of heroes allowed with bind characters - after that you must pick non-bind heroes only. (max 9 default)

3. Same place, modify "sh_savexp" to 0, so it becomes:
sh_savexp 0

4. Only if you modify shmod itself, which would be a bit complicated.