How to do sethome with only 5 command [Minecraft 1.14.4]

scoreboard:
/scoreboard objectives add tp dummy
/scoreboard objectives add tpto trigger
commands:
/execute store result score c tp if entity @e[tag=tp]
/execute as @e[tag=tp] unless score @s tp matches 1.. run scoreboard players operation @s tp = c tp
/scoreboard players enable tpto @p
/execute as @e[tag=tp] at @s if score @s tp = @p tpto run tp @p ~ ~ ~
/execute as @p if score @s tpto matches 1.. run scoreboard players set @s tpto 0