pllllease dont be mad at me

i've read and i've read.... LOL...
ok, my deal is this...
never new motorized bikes are an actual thing, better than the electric crap

i was thinking on a good cheap solution to get to work and home...
my work from home is like 15 miles.... not far....
i do it by car in 7 minutes....
now the wife got a new job on the opisite direction....
she needs the car.
and so i thought what will be good and cheap for me to get to work and come back and i found this idea...
and so i bought a 2 stroke 80CC engine kit which is on the way,,,,
now i need the bike and here where im scared...
some say dont touch walmart bikes some say its good.
i want to buy a mountain bike with front suspension.
walmart has it at 200$
but im afraid it wont be good.
what do u guys say?
what should i MAKE SURE the bike has in order to work with the engine kit and not break after 2 days or not fit with the kit?
i understood only front suspension and no rear break disk is recommended.
and V frame.
what else?
will walmart 200$ bike will be ok for this?
THANK YOU